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Browse Plants

Narrowed By:Zone: 4+ Seasonal Interest: Summer, Winter
Displaying 1 - 522 of 522 listings   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27View All Sort By: Sort
Acer griseum Acer griseum
(Paperbark maple)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This slow-growing understory tree has highly ornamental, peeling orange-cinnamon bark. Its dark green, three-lobed leaves turn a brilliant orange-red in autumn.

Acer platanoides and cvs. Acer platanoides and cvs.
(Norway maple)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous maple has large, broadly ovate, dark green leaves that turn yellow or red in autumn. It is invasive in some areas.

Acer rubrum Acer rubrum
(Red maple, Scarlet maple, Swamp maple)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tree has lobed leaves that are green on top and gray-white beneath. It turns bright red in autumn. Its form can be round to open-headed.

Acer rubrum ‘Red Sunset’ Acer rubrum ‘Red Sunset’
(Red maple, Scarlet maple)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a rounded to open-crown deciduous tree up to 70 feet tall and 30 feet wide with early, brilliant red fall coloring.

Acer saccharum 'Caddo' Acer saccharum 'Caddo'
('Caddo' Florida maple, 'Caddo' southern sugar maple)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The 'Caddo' maple typically reaches a mature height of 30 feet and spread of 25 feet, but may be taller. Its star-shaped leaves turn under slightly at the edges, and turn muted yellow to orange in the fall that can be spectacular. Its crown is oval-shaped, with an upright/erect growth habit. This moderately drought-tolerant maple is a great street or shade tree.

'Caddo' maples, native to southwestern Oklahoma, are well-adapted to heat and drought, and resistant to leaf tatter and scortch common among many maples. The leaves are dark green, leathery, and deeply lobed.

Achillea millefolium

Achillea millefolium


(Yarrow)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rhizomic, mat-forming and aggressive perennial frows to 2 feet tall and wide with ferny, finely-textured, green foliage. Flowers are produced in flat corymbs in early to late summer.

Achillea millefolium 'Apricot Delight' Achillea millefolium 'Apricot Delight'
('Apricot Delight' yarrow)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Apricot Delight' has deep reddish apricot blooms that then mature to a pale salmon, and they harmonize well with other colors. 'Apricot Delight' has a long blooming season (from early to late summer, with deadheading). This cultivar is smaller than most yarrows, and the blooms make nice cut flowers. -Allan Armitage, Plants to know and grow, Fine Gardening issue #121

Achillea 'Moonshine' Achillea 'Moonshine'
(Yarrow)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This popular gray-leaved yarrow has 18-inch-tall yellow flower heads that last for several weeks in late summer.

Achillea millefolium 'Terracotta' Achillea millefolium 'Terracotta'
(Yarrow)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Flat-topped corymbs of small, daisy-like flowers in colors of salmon-peach to yellow-orange are borne simultaneously on one plant up to 2 feet tall and wide. Flowers are complemented by silvery-green, finely-textured foliage.

Actaea pachypoda Actaea pachypoda
(White baneberry, White cohosh)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This 3-foot-tall and 2-foot-wide clumping perennial displays spiky racemes of white flowers in late spring and early summer followed by bright white berries with dark tips on bright red stalks. The berries are exceptionally showy and especially effective in shady woodland beds.

Actaea racemosa Actaea racemosa
(Black cohosh, Black snakeroot, Bugbane)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Actaea racemosa is a native woodland perennial with white, somewhat fuzzy flowers in midsummer that wave above astilbe-like, deeply cut foliage. The flowers can be unpleasantly scented, thus the name "bugbane." Formerly in the genus Cimicifuga, this plant is great for use in a woodland garden or moist border.

Actaea rubra Actaea rubra
(Red baneberry, Snakeberry)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Actaea rubra bears white flowers from spring to early summer on plants up to 2 feet tall and 1 foot wide. In late summer, glossy red berries develop. A few cultivars exist. This woodland perennial is native to the U.S.

Actaea simplex Actaea simplex
(Autumn bugbane, Autumn snakeroot)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clumping woodland perennial with deep green foliage up to 4 feet tall and 2 feet wide bears spikes of  fragrant white flowers 1 to 2 feet long in fall. Cultivars exist with varying leaf colors and forms.

Actaea simplex 'Brunette' Actaea simplex 'Brunette'
(Baneberry, Snakeroot)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This chocolate-leaved cultivar up to 4 feet tall and 2 feet wide bears compact spikes of white flowers in late summer. This plant may languish in very warm temperatures. The flowers remain ornamental for three to four weeks.

Actaea simplex ‘Hillside Black Beauty’ Actaea simplex ‘Hillside Black Beauty’
(Bugbane, Autumn snakeroot, black cohosh)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Unlike other bugbanes, 'Hillside Black Beauty' offers deep purple-black foliage. From late spring to late summer, its dark hue makes a wonderful backdrop for colorful foliage and flowering shade plants. In fall, fragrant, cream-colored flowers appear on tall, wandlike stems. An added plus: this plant is deer resistant. --Michael Ruggiero, Regional Picks: Mid-Atlantic, Fine Gardening issue #127

Adiantum pedatum ssp. aleuticum Adiantum pedatum ssp. aleuticum
(Northern maidenhair fern)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is an elegant, deciduous fern with medium green fronds on dark brown or black stalks with thick creeping rhizomes. It provides a distinct form in a woodland setting or shaded border.

Agastache foeniculum Agastache foeniculum
(Anise hyssop)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A classic plant for both herb gardens and borders, anise hyssop is composed of erect branches of mint-and-licorice-scented, medium green leaves ending in fuzzy spikes of small lavender flowers. The plant grows to 3 to 5 feet tall and 1 foot wide and reseeds freely. The flowers are edible and are charming crumbled into salads. The flowers are highly attractive to bees, butterflies, and hummingbirds.

Ajuga reptans Ajuga reptans
(Carpet bugleweed, Common bugleweed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fast spreader has dark green leaves with deep blue flowers spring to summer.

Ajuga reptans 'Black Scallop' Ajuga reptans 'Black Scallop'
('Black Scallop' bugleweed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Black foliage and spiky blue flowers (which appear in early summer) make a dramatic contrast. 'Black Scallop' thrives in full sun, which intensifies the black color. In full sun, the plant produces numerous runners, which should be thinned to prevent crown rot. In large plantings, you can run a rotary mower with a bagger attachment over the patch to control crowding and keep the foliage fresh. In mixed container plantings, the spilling habit of the plant makes it a standout choice. -Ron Smith, Regional Picks: Upper Plains, Fine Gardening issue #120

Alcea rosea Alcea rosea
(Hollyhock)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tall, upright perennial has single flowers of various colors that grow along a spike. It blooms in early summer and midsummer.

Alchemilla alpina Alchemilla alpina
(Alpine lady's mantle)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

About a third the size of the more well known A. mollis, A. alpina has delicate leaves edged in brilliant silver.

Alchemilla mollis Alchemilla mollis
(Lady's mantle)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has lobed, densely hairy, chartreuse foliage that is crimped at the edges. Soft, frothy, yellow-green foliage hovers above the plant from early summer through autumn.

Allium 'Globemaster' Allium 'Globemaster'
(Ornamental onion)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Allium 'Globemaster' is a true showstopper, growing to about 32 inches tall. Very large, majestic purple spheres up to 8 inches across bear numerous star-shaped, deep lilac flowers in May and June.

Allium caeruleum Allium caeruleum
(Blue globe onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces dense clusters of bright blue flowerheads up to 1 inch wide. Its leaves clasp its stem and die back before flowering.

Allium moly and cvs. Allium moly and cvs.
(Golden garlic, Lily leek)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

For long-lasting bright yellow flowers that sparkle in midsummer, try Allium moly. It is robust, hardy, and an excellent cut flower, naturalizing and increasing happily in the sun in most garden soils. The cultivar 'Jeannine' flowers earlier and produces larger umbels on sturdier stems.

Allium senescens Allium senescens
(Ornamental onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has thin, strap-like foliage that tends to twist. It produces up to 30 long-lasting, 12- to 40-inch-tall pink or lilac flowers in mid- to late summer.

Allium senescens var. glaucum Allium senescens var. glaucum
(Circle onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant's silver-blue leaves swirl like a cowlick. It produces flowers that are lollipop-shaped, pink with bright yellow accents and about 16 inches tall.

Allium sphaerocephalon Allium sphaerocephalon
(Drumstick allium, Round-headed garlic)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The drumstick allium has egg-shaped flowers in summer that start off green, then bloom and develop to pink and then clover red-purple. These plants are attractive in a bed or border, especially peeking up through other plants, such as roses, so that their nondescript foliage is hidden. Their vertical presence and eye-catching flower shape are valuable additions to the garden, and they naturalize freely.

Allium thunbergii Allium thunbergii
(Japanese onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is the last of the ornamental onions to flower, when mop-like heads of rose-purple flowers appear with orange anthers. The flowers are impervious to frost or snow. Superior cultivars include ‘Ozawa’, with larger purple flower heads than the species. A white-flowered form known as A. thunbergii ‘Alba’ is a splendid plant, with cup-shaped florets sporting white stamens, yellow anthers, and green centers.

Allium tuberosum Allium tuberosum
(Chinese chives, Garlic chives)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces fast-growing, edible, pungent, onion-like leaves. Small, white flowers appear in late summer.

Amelanchier × grandiflora 'Autumn Brilliance' Amelanchier × grandiflora 'Autumn Brilliance'
(Apple serviceberry)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This shrubby tree has leaves that emerge bronze, mature green, and fade to orange and red in autumn. It bears 3-inch-long racemes of white flowers in spring, followed by edible, juicy blue-black fruit.

Amelanchier alnifolia Amelanchier alnifolia
(Alder-leaved serviceberry, Saskatoon)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This multi-stemmed shrub or tree can reach almost 20 feet tall. At one time, it was used medicinally for many conditions. Its autumn color is bright red or yellow and its small, edible black fruits attract much wildlife.

Amelanchier alnifolia 'Regent' Amelanchier alnifolia 'Regent'
('Regent' serviceberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A compact shrub form of serviceberry, 'Regent' produces finely toothed, rounded leaves that are bluish on top and gray-green on the bottom. In fall, they change to vibrant yellow and red. Spring finds the shrub sporting white flowers in upright clusters that give way to fruit in June. Birds as well as humans appreciate the tasty berries, which make great jellies and jams and are more abundant in full sun. This plant is native to the Great Plains and tolerates harsh, dry, or alkaline conditions when mature.

Amsonia tabernaemontana Amsonia tabernaemontana
(Willow blue-star)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In addition to willow blue-star’s small but charming clusters of blue flowers in late spring, it has upright, willow-like leaves that turn clear yellow in fall.

Andropogon gerardii 'Pawnee' Andropogon gerardii 'Pawnee'
(Big bluestem, turkeyfoot)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Pawnee' has an upright habit and warm fall colors that persist into winter. This refined offbig bluestem has the bluish purple stems typical of the genus. In late summer, Purplish red flowers appear in groups of three or six, which look like a turkey foot—hence the nickname: "Turkey Foot Grass." The root system that can extend down more than 10 feet. Each year, a third of these roots die, opening up channels for water. -Scott Vogt, Native grasses, Fine Gardening issue #124

Anemone × hybrida 'Honorine Jobert' Anemone × hybrida 'Honorine Jobert'
(Japanese anemone)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tall, woody-based perennial is distinguished by its elegant flowers. This cultivar displays the purity of a single, white, open-faced flower with a delicate center ring of golden yellow stamens. Every moment of floral development from bud to seed brings satisfying interest.

Anemone blanda Anemone blanda
(Grecian windflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces a great low-growing mat of flowers. The cheerful starlike blossoms come in pink, blue, and white, and the attractive finely cut leaves disappear soon after flowering.

Anemone tomentosa 'Robustissima' Anemone tomentosa 'Robustissima'
(Grape-leaf anemone)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This anemone grows 24 to 32 inches tall with single, light violet-pink flowers. It's an extremely robust and vigorous plant that is best suited to naturalizing. It will overwhelm other plants and may become a nuisance in a bed.

Anemonella thalictroides 'Rosea' Anemonella thalictroides 'Rosea'
(Rue anemone)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The only member of its genus, rue anemone is a tuberous perennial native to the woodlands of eastern North America. 'Rosea' has pink, fragile, cup-shaped flowers on slender stems from spring to early summer, a long bloom sesaon for a spring wildflower. It often goes dormant in summer. Its flowers resemble a small anemone and its leaves resemble Thalictrum (meadow rue), hence its common name of "rue anemone." Use this delicate, small plant in a shady rock garden, in a woodland or native plant garden, or as underplanting in a shady shrub border

Angelica gigas Angelica gigas
(Angelica)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This showstopper produces conspicuous, red-purple leaf sheaths with dense, purple domed flowerheads.

Antennaria spp. Antennaria spp.
(Pussy-toes, Cat's ears)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Low-growing rosettes of long gray leaves covered in fine gray hairs and gray-white flowers in spring that resemble a cat's paw make Antennaria great plants for edging, pathways, or stone walls.

Anthemis tinctoria Anthemis tinctoria
(Golden marguerite, Oxeye chamomile)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial produces many weeks of daisy-like flowers in summer. It is great in borders and works well as a cut flower.

Aquilegia canadensis Aquilegia canadensis
(Canadian columbine)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This airy perennial has ternate dark green leaves, and produces many nodding flowers from midspring to midsummer. Its scarlet flowers have yellow, downward-pointing sepals.

Aquilegia canadensis 'Corbett' Aquilegia canadensis 'Corbett'
(Columbine, Canada columbine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This airy perennial has delicate dark-green leaves and many nodding, light-yellow flowers from mid-spring to midsummer. 

no image available Aquilegia flabellata
(Fan columbine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The fan columbine produces short, plump, nodding, blue-purple flowers with white petal tips.

Aquilegia vulgaris Aquilegia vulgaris
(Granny’s bonnet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Usually this plant produces nodding blue and white flowers, but color variation is common in this species.

Aralia spinosa Aralia spinosa
(Devil's walking stick, Hercules club, Angelica tree, Prickly ash)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The textural quality of this eastern native's stems and foliage is superb. During winter, a circle of the thorn-covered stems is as magical as an outdoor sculpture. Dark blue-green compound leaves offer a tropical effect before turning yellow and purple in autumn. One-foot-wide flower clusters sit atop the foliage in summer and transform into purple-black fruits that attract birds. Aralia spinosa grows to 30 feet tall and spreads indefinitely.

Arctostaphylos uva-ursi Arctostaphylos uva-ursi
(Common bearberry, Kinnikinnick)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a fine plant for cascading over the edge of a wall. It's a hardy, prostrate shrub with intricate branching that often forms mats up to 3 feet wide, by runners. Fragrant, white bell-shaped flowers tinged with pink are borne in May and followed later in the season by red berries. The common bearberry's stunning red stems are studded with small, glossy, evergreen leaves.

Arisaema sikokianum Arisaema sikokianum
(Japanese cobra lily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The outside of the spathe is the color of dark chocolate, and the inside, milk white and as smooth as marble. Its hood sweeps up to an arrogant point, exposing its sumptuous white lining and the thick blunt spadix, which is also milk white. This plant produces two leaves per tuber, one leaf with three lobes and one with five. Sometimes they are mottled with silver, which makes them very handsome, at least until the plant goes dormant in summer.

Arisaema triphyllum Arisaema triphyllum
(Jack-in-the-pulpit)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A favorite of children, Jack-in-the-pulpit is a tuberous perennial producing one or two leaves, each divided into three narrow leaflets. But it's best known for its spring to early summer display of hooded, green spathes—Jack's pulpit—which are often striped with purple. Autumn brings clusters of densely packed, showy red berries.

Armoracia rusticana 'Variegata' Armoracia rusticana 'Variegata'
(Common horseradish, Red cole)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant's large, undulating leaves are textured like puckered crepe paper. Moreover, they resemble designer textiles with splendid splashes of cream and dark green. This has to be the queen of variegated plants.

Aronia arbutifolia Aronia arbutifolia
(Red chokeberry)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Fragrant white flowers in spring, red fall foliage, and persistent berries for winter interest make Aronia a valuable plant in all seasons.

Aronia melanocarpa Aronia melanocarpa
(Black chokeberry)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Black chokeberry is a medium-size shrub with multiple seasons of interest. Starting with showy clusters of white flowers in early summer, followed by dark purple fruits greatly appreciated by robins, this adaptable shrub closes the growing season with beautiful, wine red fall foliage. Black chokeberry is most effective when massed in the landscape and allowed to follow its natural tendency to spread by suckering.

Artemisia 'Powis Castle' Artemisia 'Powis Castle'
(Artemisia)
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a woody plant with dense clumps of silver-gray leaves. It makes a great border accent.

Artemisia absinthium Artemisia absinthium
(Absinth, Wormwood)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Artemisia absinthium is a woody perennial with finely cut, silvery-gray, aromatic foliage. Its small yellow flowers have little ornamental value. Wormwood is useful in beds, borders, and rock gardens, and it makes an excellent foil for bright colors and dark foliage. This plant needs excellent drainage.

Artemisia ludoviciana Artemisia ludoviciana
(Western mugwort)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a high-drama native. Its gracious, high-impact, powdery-white shrubby mounded foliage grows to 4 feet tall.

Aruncus dioicus Aruncus dioicus
(Goatsbeard, Goat's beard)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Goat's beard is a perennial native to eastern North America and parts of Europe and Siberia. It is grown for its tall stature (up to 6 feet) and showy, cream-colored plumes of flowers in summer. The effect is that of a giant astilbe. Plants with male flowers produce showier and more erect plumes than plants with female flowers, whose plumes are more pendent and less creamy-white. Grow in a woodland garden or moist border, or at waterside.

Asarum canadense Asarum canadense
(Wild ginger, Canadian wild ginger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The rounded, lustrous leaves of this native plant form an appealing green ground cover. This plant produces beautiful, 2- to 4-inch, glossy green heart-shaped leaves. In spring, you'll find interesting, mauve-purple flowers hidden under its foliage. -Marty Hair, Regional Picks: Upper Midwest, Fine Gardening issue #127

Asarum europaeum Asarum europaeum
(European wild ginger)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

European wild ginger is a low-growing groundcover with glossy, evergreen, heart-shaped leaves. Its unusual purple-brown flowers lie mostly concealed beneath foliage.

Asclepias tuberosa Asclepias tuberosa
(Butterfly weed)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Butterfly weed is a native perennial with flat-topped, orange or yellow flower clusters at the ends of its stems or in its leaf axils. From midsummer to autumn, it produces clusters of brightly colored flowers that attract insects, followed by fruit and showy seed. Plant in a border, meadow, butterfly garden, or wildflower garden.

Asparagus officinalis Asparagus officinalis
(Asparagus)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Asparagus is a perennial vegetable whose edible shoots are harvested in spring. Male plants produce better crop yields because they do not flower or fruit. The foliage is garden worthy because of its tall size and masses of feathery, delicate texture. Female plants may self-seed abundantly. Plants do not like to be moved, so choose a permanent location. Foliage is useful in floral arrangements.

Aster dumosus Aster dumosus
(New York aster, Michaelmas daisy)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a short-growing aster with lilac-blue flowers and creeping rootstocks. Many cultivars exist. It can be used on steep slopes for erosion control.

Aster dumosus 'Wood's Pink' Aster dumosus 'Wood's Pink'
(Bushy Aster, Hardy Aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a short-growing aster has creeping rootstocks and pink, daisy-like flowers with yellow centers. It can be used on steep slopes for erosion control.

Aster macrophyllus Aster macrophyllus
(Bigleaf aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This striking, richly-textured, deciduous ground cover has heart-shaped leaves that turn mauve in autumn. Purple, blue, or white flowers appear in late summer to early fall.

Aster novae-angliae Aster novae-angliae
(New England aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Strong, almost woody, stems bear large sprays (to 10 inches) of violet-purple flowers.

Aster novae-angliae ‘Purple Dome' Aster novae-angliae ‘Purple Dome'
(New England aster)
(9 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Growing to less than 2 feet tall and wide, 'Purple Dome' covers itself with semi-double, deep purple, daisy-like flowers from late summer to midfall. In addition to being mildew resistant, it attracts butterflies. It's great as a border specimin and as a cut flower.

Aster tataricus Aster tataricus
(Tatarian aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Tatarian aster is an impressive, stately perennial with a flowering height of 3 to 6 feet. It can look you in the eye yet require no staking. More important, this aster flowers longer than any other garden aster, beginning in late September and early October and continuing into November. The 1-inch-wide, light lavender flowers are a magnet for local and migrating monarch butterflies. This plant tolerates many soil types, can form large colonies in a few years, and is easily divided.

Astilbe chinensis 'Maggie Daley' Astilbe chinensis 'Maggie Daley'
('Maggie Daley' astilbe)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In late spring, lavender-pink flowers rise above this plant’s lacy, fernlike foliage, which forms an airy network beneath. The blooms appear a bit later than typical for other astilbes, and they extend later into summer. ‘Maggie Daley’ is moderately drought tolerant once established. Pair it with Japanese painted fern (Athyrium niponicum var. pictum, Zones 5–8) for a beautiful combination. And deer and rabbit resistance is the pièce de résistance! -Kielian DeWitt, Fine Gardening #147 (Octover 2012), page 76

Astilbe chinensis var. pumila Astilbe chinensis var. pumila
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a dwarf astilbe with attractive red-green leaves and reddish pink flowers in broad, dense conical groups. Its blooms appear mostly in summer.

Astrantia major Astrantia major
(Masterwort)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Masterwort produces many small, ivory flowers that are flushed pink and bloom continuously throughout the summer and fall, wafting a sweet scent. Like Queen Anne’s lace, each masterwort blossom is an umbel of tiny flowers, framed by a collar of papery bracts.

Athyrium 'Ghost' Athyrium 'Ghost'
(Ghost fern)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Here's a fern with an upright habit and silvery fronds that give it a ghostly look, hence the name. Emerging new fronds have a shimmering whitish color that darkens slowly to a silvery green with burgundy accents. 'Ghost' spreads slowly by shallow rhizomes, eventuallly becoming an excellent ground cover. -Matt Griswold, Regional Picks: Northeast, Fine Gardening issue #127

Athyrium filix-femina ‘Vernoniae Cristatum’ Athyrium filix-femina ‘Vernoniae Cristatum’
(Crested lady fern)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This small fern is popular and easy to grow. It's suited to the front edge of a border. This cultivar has arching, ruffled fronds that divide into tassels at the ends.

Baptisia 'Carolina Moonlight' Baptisia 'Carolina Moonlight'
('Carolina Moonlight' false indigo)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spectacular perennial hybrid has 18-inch-tall spires of buttery yellow flowers in late spring and beautiful blue-green foliage throughout summer. Tough, exceptionally drought tolerant, and extremely long-lived, it's the southern substitute for the much sought-after lupine. 'Carolina Moonlight' has an adaptable, easy-to-grow nature and makes a great companion for other rugged plants such as ornamental grasses.

no image available Baptisia 'Chocolate Chip'
(Chocolate Chip false indigo)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This perennial produces milk chocolate-colored flowering buds that open in spring with golden yellow petals over blue-green foliage.

Baptisia × variicolor Twilite Prairieblues™ Baptisia × variicolor Twilite Prairieblues™
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This amazing baptisia is a cross between B. australis, the most common blue variety, and B. sphaerocarpa, a plant with yellow bloomer. The result is pea-like violet-purple flowers with dramatic yellow keels. It is long-lived, tough, and drought resistant, but it may take three or four gardening seasons to establish itself. Twilite Prairieblues™ blooms in late spring or early summer, When not in bloom, the plant remains attractive because of the lovely blue-green color of its trifoliate leaves, especially in spring. This plant is tall and will look good at the back of a border. -Stephanie Cohen, Plants to know and grow, Fine Gardening issue #120

Baptisia australis Baptisia australis
(blue false indigo, Plains false indigo)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

False blue indigo's spikes of clear blue flowers in late spring can nearly carry a border by themselves. They also make great cut flowers. Large, inflated nearly black seed pods set in after flowering, giving this plant another interesting element. It is low maintenance and will look great in any natural or informal setting.

Bellis perennis Bellis perennis
(English daisy)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

English daisy bears stems topped with a single white, daisy-like flower. The flowers are tinged maroon and yellow; but cultivars are available with single, semi-double, or double button flowers in shades of white, pink, salmon, and ruby. The plant's smooth, spoon-shaped leaves form neat rosettes. This carpeting perennial is often grown as a biennial. Its many cultivars are used for bedding out or container displays.

Bergenia cordifolia Bergenia cordifolia
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is noted for its beautiful bronze fall foliage. Its leaves are rounded to heart-shaped and sometimes puckered, growing to about 12 inches. It bears pink to rose-red flowers on red stalks in late winter to early spring.

Boltonia asteroides Boltonia asteroides
(False chamomile)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Boltonias are vigorous perennials grown for their sprays of aster-like flowers, which appear above clean, gray-green foliage. Their vigorous nature makes them suitable for naturalizing. They are also great in the border (and for cutting), but will benefit from frequent dividing to keep in bounds, and may be cut back in late spring for more compact plants.

Brunnera macrophylla 'Jack Frost' Brunnera macrophylla 'Jack Frost'
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This woodland plant is valued for its flowers and its heart-shaped, ground-covering leaves. Its small blue flowers go nicely with ephemeral bulbs in mid- to late spring,  as the enlarging leaves block out the ripening bulb foliage. 'Jack Frost' can take dry summers and wet winters. This cultivar is prized for its improved tolerance of heat and sun. -Marty Hair, Regional Picks: Upper Midwest, Fine Gardening issue# 127

no image available Brunnera macrophylla 'Langtrees'
(Siberian bugloss)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This woodland plant is valued for its flowers and heart-shaped, groundcovering leaves. 'Langtrees' can take dry summers and wet winters. This cultivar is prized for its improved tolerance of heat and sun.

Brunnera macrophylla 'Looking Glass' Brunnera macrophylla 'Looking Glass'
(Siberian bugloss)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This brunnera cultivar has a silvery, heart-shaped leaves that are mostly everygreen. Delicate blue flowers emerge in spring. Drought tolerant once established, ‘Looking Glass’ brunnera requires little watering and is fairly resistant to pests. This cultivar grows to a little more than a foot tall and almost as wide. Use it in a woodland or shade garden, in a container, or at waterside. -Sylvia Matlock, Regional Picks: Northwest, Fine Gardening issue #127

no image available Cacalia atriplicifolia
(Pale Indian plantain)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The heart-shaped leaves of this perennial may stretch to 12 inches across. In mid- to late summer, showy white flower umbels add to this plant’s drama.

Calamagrostis × acutiflora 'Karl Foerster' Calamagrostis × acutiflora 'Karl Foerster'
(Karl Foerster's Feather Reed Grass)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Versatile, attractive and care-free ornamental grass with wheat-like appearance. Slender, upright, deep-green, lustrous foliage becomes effective by early spring and lasts all the way until winter. A cool season grass, 'Karl Foester' is upright and clump forming, with purplish-green, feathery plumes to 6'. It distinctively blooms in early summer rather than fall and must have winter chill to bloom. Long lived -- 25 years or more. -Santa Rosa Gardens

Calamagrostis 'Karl Foerster' Calamagrostis 'Karl Foerster'
(Karl Foerster feather reed grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This versatile ornamental grass has slender, upright, deep-green foliage. A cool season grass, it is upright and clump forming, with purplish-green, feathery plumes that can reach 6 feet in height. It blooms in early summer rather than fall and must have winter chill to bloom.



Information provided by Santa Rosa Gardens.

Callirhoë involucrata Callirhoë involucrata
(Wine-cups)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant resembles a rosy-purple poppy mallow that blooms all summer. The saucer-shaped flowers are held above prostrate red stems and fingered leaves.

Camassia leichtlinii ssp. suksdorfii 'Blue Danube' Camassia leichtlinii ssp. suksdorfii 'Blue Danube'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Spikes of violet, star-shaped flowers top stems reaching from 2 to 4 feet in late spring. The species is native to western Oregon. 'Blue Danube' would be beautiful in a border, meadow, or containers. Camassia make good cut flowers.

Campanula carpatica Campanula carpatica
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Upright, open bell-shaped flowers completely cover the foliage of this late-blooming Campanula for several months in summer. This small plant is suitable for the front of the border or a rock garden. Numerous cultivars are available.

Campanula persicifolia Campanula persicifolia
(Peach-leaved bellflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is one of the most popular campanulas. Its stiff mat of slowly spreading evergreen rosettes is topped by 3-foot-tall, all open, bell-shaped lavender to white flowers in late spring.

Campanula portenschlagiana Campanula portenschlagiana
(Dalmatian bellflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low, mat-forming plant has blue-purple flowers in summer.

Campanula poscharskyana 'Blue Waterfall' Campanula poscharskyana 'Blue Waterfall'
(Serbian bellflower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Serbian bellflowers have an easy, undemanding habit. Creating a stream of lavender blue, the 1-inch-diameter star-shaped blossoms bloom reliably from late spring to early fall. The foliage remains evergreen in mild winters and needs to be sheared only once in a while to keep its appearance tidy. 'Blue Waterfall' flows beautifully along bed edges and through rock gardens in full sun to partial shade.

Campanula punctata Campanula punctata
(Spotted bellflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Spotted bellflower has heart-shaped foliage on a creeping rhizome with tubular, bell-shaped creamy white to dusky pink flowers with red spots and hairs. This foot-tall bellflower is native to Siberia and Japan.

Carex divulsa Carex divulsa
(Berkeley sedge)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sedge is one of the most adaptable of the ground-cover grasses. Its ability to look the same in sun or shade makes it a valuable asset in plantings that go in and out of full sun. Berkeley sedge is a good solution for areas under stress where lawn grasses often fail. The flowers are not particularly noteworthy.

Carex siderosticha 'Variegata' Carex siderosticha 'Variegata'
(Broad-leaf sedge)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sedge's pearly, straplike leaves resemble striped ribbon waiting to be wrapped around a package. It sports fuzzy green flowers with green stamens in late spring. Grow as an edging or groundcover.

Ceanothus americanus Ceanothus americanus
(Mountain sweet, New Jersey tea, Redroot, Wild snowball)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Mountain sweet is a low-growing, broad, compact, deciduous shrub. Dark-green leaves are irregularly toothed, 2 to 3 inches long, and softly hairy or nearly hairless beneath. This plant bears profuse white flowers in 1- to 2-inch-long terminal clusters.

Centaurea cyanus Centaurea cyanus
(Bachelor's buttons, Bluebottle, Cornflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bachelor's buttons bear charming and prolific flowers in hues of blue, pink, lavender, white, and maroon. Those with a true blue color are especially welcome in the garden as that color is rare in nature. Each disc-shaped flower is about 1.5 inches across, with ragged petals radiating out from the center.

Centaurea macrocephala Centaurea macrocephala
(Giant knapweed, Yellow hardhead)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clumping, robust perennial has unusual ramrod-stiff flower stems that bloom from early summer through late summer. Its fat, rusty buds open into large, deep yellow thistle flowers the size of a small fist. Easy to cut and dry for arrangements. This plant has big, coarse leaves that call for strong companions.

Centaurea montana Centaurea montana
(Mountain bluet)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Mountain bluet is an excellent choice for the border or rock garden. Blue flowers open from attractive buds in late spring to midsummer, then leave behind a mass of vigorous, silvery-green woolly foliage and woolly stems.

Centaurea montana ‘Amethyst in Snow’ Centaurea montana ‘Amethyst in Snow’
(Mountain bluet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The blooms of this familiar perennial are not the standard blue; instead, they’re a striking silky white with royal purple centers. The flowers appear in late spring, then leave behind a mass of vigorous silvery green foliage.

Cephalanthus occidentalis Cephalanthus occidentalis
(Buttonbush, Button willow, Honey balls)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A native small tree found in wetlands from Minnesota to Florida and from New England to California, buttonbush can reach 8 to 15 feet tall and is often wider than it is tall. Prune it into a small multi-trunked tree to reveal the curly bark of its young stems and the punctuated pale spots of its older stems. Blooms are extremely rich in nectar and attract butterflies and other insects.

Cerastium tomentosum Cerastium tomentosum
(Snow-in-summer)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Snow-in-summer is great for rock gardens and dry areas, and also works well as a container plant. Plant it on a stone wall for a cascading effect. Snow-in-summer needs room to perform. A single plant can carpet an area as wide as a yard across. After the flowers fade, the silver/grey foliage shines on in contrast to more predictable shades of green.

Cercidiphyllum japonicum f. pendulum Cercidiphyllum japonicum f. pendulum
(Weeping katsura)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous small tree initially has a pyramidal form, and later rounded. Cercis-like, opposite, heart-shaped blue-green leaves are borne on stiff, slender, pendulous branches that fan out from the crown and sweep the ground. Caramel-scented foliage emerges bronze or purple-red, turns blue-green, then fades to gold or apricot in autumn. Tiny red flowers emerge in late March or early April before the leaves.

Cercis canadensis and cvs. Cercis canadensis and cvs.
(Eastern redbud)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bright purplish-pink blooms are borne in clusters, before the leaves, along smooth gray branches. Heart-shaped leaves emerge bronze, turning green, then yellow in autumn. Cultivars are available with white ('Royal White') or pink flowers ('Tennessee Pink'), purple foliage ('Forest Pansy'), and weeping form ('Covey'). Grows 15 to 25 feet tall with a slightly wider spread.

Chamaecyparis obtusa 'Aurea' Chamaecyparis obtusa 'Aurea'
(Hinoki cypress)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hinoki cypress is a conical, evergreen, coniferous tree with leaves that are actually minute scales on tiny branches in the form of fans. The outer foliage of 'Aurea' is golden and the inner is green. Growth can be slow. Use as a specimen or use several as screening.

Chamaecyparis pisifera 'Sungold' Chamaecyparis pisifera 'Sungold'
(Japanese falsecypress)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dwarf Chamaecyparis has a weeping habit and gold to lime green finely-textured needles. It's great for providing year-round color.

no image available Chamaecyparis thyoides ‘Heatherbun’
(White cedar, White false cypress, Heatherbun false cypress)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen, coniferous tree has flattened sprays of scale-like adult leaves. 'Heatherbun' has soft, blue-green juvenile foliage that turns plum to bronze in winter and a compact, rounded form.

Cladrastis lutea Cladrastis lutea
(Yellowwood)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Yellowwood is a vase-shaped spreading tree with dark green foliage that turns a delicate yellow or orange in the fall and smooth light gray bark. Breathtaking, pendulous, foot-long, wisteria-like clusters of fragrant white flowers appear in late spring and early summer, often in alternate years.

Clematis 'Blekitny Aniol' Clematis 'Blekitny Aniol'
(Blue Angel™ clematis)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

To look upon Blue Angel™ (‘Blekitny Aniol’) in full, glorious bloom is a heavenly sight indeed. A pale center and ruffled edges enhance the etherealness of its charming blue blossoms. Hundreds of flowers blanket its robust stems each summer, making it one of the most prolific bloomers I’ve ever seen. -Richard Hawke, Big blooming clematis, Fine Gardening issue #146, page 47

Clematis 'Diamantina' Clematis 'Diamantina'
('Diamantina' clematis)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The lavish violet blue flowers of Diamantina are fully double and very long lasting. It is a repeat performer, blooming throughout the summer.

 

Information provided by Brushwood Nursery 



 

Clematis 'Ernest Markham' Clematis 'Ernest Markham'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Ernest Markham' is a vigorous, late-flowering climber with abundant small flowers in summer. Blossoms are rich magenta, 4 inches across, with blunt-tipped sepals and light chocolate anthers.

Clematis 'Evipo024' Clematis 'Evipo024'
(Clematis Picardy™)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A clematis doesn’t have to be big to be bold. Picardy™ (‘Evipo024’) epitomizes this rule; its compact habit certainly doesn’t restrain the boldness of the vivid, violet-red flowers. This is no shrinking violet! Picardy™ is free flowering and often reblooms into late summer. Topping out at 5 feet tall, its petite size is suitable for containers and for small patios where larger clematis would be overwhelming. -Richard Hawke, Big blooming clematis, Fine Gardening issue #146, page 47

 

Clematis 'Princess Diana' Clematis 'Princess Diana'
(Princess Diana clematis)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Princess Diana' is a steady bloomer from midsummer into early fall. Its compact habit makes it a good choice for large containers, but it will be just as happy in your perennial border.

 

Information provided by Brushwood Nursery


 

Clematis 'Viola' Clematis 'Viola'
('Viola' clematis)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

‘Viola’ is, in a word, sumptuous. The velvety, dark purple flowers are exceptional in their profusion and richness. This is a vigorous vine, reaching 10 feet tall, but climbs reasonably well without too much assistance (unlike some other large clematis varieties). Although we grew ‘Viola’ on a chain-link fence—ho hum—I always imagined its richly colored flowers more splendidly displayed against a silvery blue conifer or perhaps intertwined with a pearly white–flowered ‘Huldine’ or a rosy ‘Margot Koster’ clematis. -Richard Hawke, Big blooming clematis, Fine Gardening issue #146, page 50

Clematis ‘Nelly Moser’ Clematis ‘Nelly Moser’
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Nellie Moser' is easy to grow, producing large, flat flowers 6 to 8 inches in diameter with distinctive, gleaming lilac bars on each petal. This clematis blooms from May to late June, with a second, less profuse bloom in mid-August. Planted in a shady spot, the cheery pink-and-mauve-striped blossoms last for weeks instead of days.

Clematis alpina Clematis alpina
(Alpine clematis)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Alpine clematis is one of the earliest clematises to bloom, in early May. It bears relatively small but delightful nodding, bell-shaped flowers, 1 to 1.5 inches in diameter, in a great variety of colors.

Clematis integrifolia Clematis integrifolia
(Solitary clematis)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Clematis integrifolia is a herbaceous, woody-based, upright, non-climbing perennial with a dense and somewhat sprawling habit. It bears solitary, nodding, bell-shaped flowers with slightly twisted violet to blue sepals and creamy white anthers from May to July. Sporadic blooming sometimes occurs throughout the summer. Blossoms mature to attractive, feathery, silver-green, or silvery brown seed heads.

Clematis integrifolia Mongolian Bells™ Clematis integrifolia Mongolian Bells™
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Clematis integrifolia is no longer only blue. This selection produces progeny with pink, white, and lavender blooms from midspring until late summer. The flowers are followed by attractive seed heads in fall. It has a compact, herbaceous form and grows to just 10 to 14 inches tall.

Clematis macropetala Clematis macropetala
(Downy clematis)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Downy clematis is a hardy, deciduous early bloomer that can flourish in Zone 4. The species will climb to 10 feet with a little support, and it has bell-shaped, purple-blue, almost columbine-like flowers about 1 to 2 inches, sometimes up to 4 inches in diameter, that mature to fluffy, pinkish seed heads. Blooms appear in spring and early summer, sometimes followed by a second flush in late summer to early autumn

Clematis texensis 'Duchess of Albany' Clematis texensis 'Duchess of Albany'
(Scarlet clematis, Leather flower, Texas clematis)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous climber can easily cover a support of 8 to 10 feet tall once established. Finely textured, dense light-green foliage makes an excellent foil for dainty, pink and carmine teardrop-shaped flowers 2 inches across. Blooms appear in early August and continue well into autumn.

no image available Clematis viticella 'Alba Luxurians'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Alba Luxurians' is a very tough, late-flowering climber with small flowers that open from midsummer to late autumn. White blossoms are sometimes faintly tinged with mauve when young, and are open, bell-shaped, single, and 2 to 3 inches across. Foliage is slightly gray-green.

Clethra alnifolia Clethra alnifolia
(Sweet pepperbush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, suckering shrub has fragrant, white or pink terminal flower spikes in late summer. The blooms look like bottle brushes and attract butterflies and bees. Leaves turn a pleasant yellow in autumn.

Clethra alnifolia 'Hummingbird' Clethra alnifolia 'Hummingbird'
(Sweet pepperbush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, suckering shrub bears creamy white, deliciously spicy clove-scented flowers in dense, upright spikes that last four to six weeks in July and August. It is more compact than the species. Flowers mature to spikes of dark brown capsules that provide winter interest. Its oval, glossy dark green leaves turn a pleasant yellow in autumn.

no image available Clethra alnifolia 'Pink Spire'
(Summersweet, Sweet Pepperbush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Very fragrant, light pink bottlebrush flowers grace this native shrub in late summer and early fall, attracting butterflies and other insects and perfuming the garden for weeks. Plant it in beds or borders, in a woodland or shade garden, or at waterside. It also has nice fall color.

Clethra alnifolia 'Ruby Spice' Clethra alnifolia 'Ruby Spice'
(summersweet, sweet pepperbush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This summersweet is a sport of C. alnifolia 'Pink Spires'. Its fragrant, bottlebrush flowers are a darker pink; they attract butterflies, bees, and other insects in late summer and early fall. 'Ruby Spice' grows to about 4 to 6 feet tall and almost as wide, making this shrub suitable for a bed or border, a woodland or shade garden, or a waterside planting. Its yellow fall color extends the season of interest.

Clethra alnifolia 'Sixteen Candles' Clethra alnifolia 'Sixteen Candles'
(Sweet pepperbush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

‘Sixteen Candles’ summersweet is a newer cultivar of a popular native shrub. This compact selection reaches 3 to 5 feet tall. In summer, ‘Sixteen Candles’ is topped with aromatic, erect, butterfly-enticing white blooms for 4 to 6 weeks. In fall, the leaves turn an attractive yellow.

Coreopsis auriculata Coreopsis auriculata
(Eared coreopsis)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large golden-yellow blossoms are borne in late spring and midsummer on top of stems reaching almost 3 feet high. Native to the southeastern U.S.

no image available Coreopsis grandiflora
(Large-flowered tickseed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

As the name implies, this species bears large, daisy-like blossoms (2.5 inches across) of golden yellow rays and darker yellow centers. It blooms from late spring to late summer and is native to the central and southeastern U.S.

Coreopsis grandiflora 'Baby Sun' Coreopsis grandiflora 'Baby Sun'
(Tickseed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A multitude of 2-inch, golden-yellow daisy flowers sits atop thready foliage from late spring to late summer if deadheaded promptly. This clump-forming perennial is native to the central and southeastern U.S. It is sometimes grown as an annual. It makes a beautiful cut flower, and its casual habit makes it valuable in cottage gardens, borders, containers, and meadows.

Coreopsis grandiflora 'Sunray' Coreopsis grandiflora 'Sunray'
(coreopsis, 'Sunray' tickseed)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Sunray' coreopsis has double to semi-double yellow flowers that begin blooming in late spring and continue throughout the summer. The species is native to the central and southeastern U.S. Flowers are good for cutting. Use in beds and borders or in containers.

Coreopsis lanceolata Coreopsis lanceolata
(Lance-leaved coreopsis)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Solitary yellow petals with toothed edges and flat, yellow centers open from early to late summer. Native to the central and southern U.S.

Coreopsis rosea Coreopsis rosea
(Tickseed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant bears a profusion of lavender-pink flowers with yellow centers from mid-summer to early autumn. This perennial has finely textured leaves that give it an airy appearance.

Coreopsis verticillata ‘Moonbeam’ Coreopsis verticillata ‘Moonbeam’
(Thread-leaved tickseed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Moonbeam' produces star-like blossoms of pale yellow from late spring into autumn. This cultivar is widely used because the refreshing tint of yellow compliments so many colors. The finely textured foliage adds interest all season long.

Corepsis verticillata ‘Zagreb' Corepsis verticillata ‘Zagreb'
(Thread-leaved tickseed)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Zagreb' produces star-like blossoms in egg-yolk yellow in early summer on plants 12 inches tall and wide. The sturdy, upright stems and finely textured foliage add delicate texture to the garden.

Cornus alba 'Elegantissima' Cornus alba 'Elegantissima'
(Redtwig dogwood, Cream-edge tatarian dogwood)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous deciduous shrub provides a long season of interest in the garden with its variegated leaves, attractive berries, pretty fall color, and red winter stems.

no image available Cornus alba
(Redtwig dogwood)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These showy shrubs have two distinct phases of garden interest. In winter, they display boldly colorful bark—red, yellow, or orange—on twiggy stems to make a striking scene. In spring, the stems lose their vivid color and produce bright green, gold, or variegated foliage that accents the garden through the fall. Twig and leaf color vary according to the cultivar.

Cornus alternifolia Cornus alternifolia
(Pagoda dogwood, Green osier)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant owes its name to its distinctive layered branches, which resemble the tiered, spreading roofline of an elaborate pagoda. Pagoda dogwoods are especially striking when accented by masses of small, fragrant creamy white flowers in early summer. Small, round fruits ripen to a deep blue-purple in late summer.

no image available Cornus canadensis
(Creeping dogwood, Bunchberry, Dwarf cornel)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A spreading subshrub, Cornus canadensis has whorls of leathery mid-green leaves that turn purple in the winter. Green and white, sometimes pink-flushed flowers emerge in late spring and early summer, followed by clusters of scarlet berries.

Cornus racemosa 'Emerald' Cornus racemosa 'Emerald'
(Snow Lace® gray dogwood)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native shrub dogwood is more compact than the species with semiglossy, emerald green foliage and showy, white fruit. Purple fall leaf color and rosy pink pedicels make this gray dogwood a fine choice for the woodland edge. Its silvery gray bark in winter adds interest into another season. White flowers in the spring add to the list of what it offers. Plant this dogwood in the landscape where it will be seen in the fall and winter. It rarely suckers.

Cornus stolonifera Cornus stolonifera
(Red osier dogwood)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Red osier dogwood is a deciduous shrub with a rounded, spreading form. Opposite leaves with rounded bases are ovate to lance-shaped and dark green, turning a dull red, purple-red, or orange in autumn. Clusters of white flowers appear in late May to early June, followed by white to pale blue fruit. Green stems turn reddish or purple-red from late summer into early fall, becoming brighter in winter.

Corydalis cheilanthifolia Corydalis cheilanthifolia
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant's tapering, finely dissected leaves make it look like a fern relative. The bronzy tints of the emerging foliage add to this plant's beauty. It bears buttery yellow blossoms from spring to summer.

Corydalis lutea Corydalis lutea
(Yellow corydalis)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has bluntly spurred golden yellow flowers from late spring to early fall. Its pale green, glaucous leaves form compact, ferny mounds.

Corydalis scouleri Corydalis scouleri
(Scouler's fumeroot)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has tiers of lacy foliage that form broad clumps, 3 feet high by 3 feet wide. Its hot pink flowers bloom from May to July.

Corylus avellana 'Contorta' Corylus avellana 'Contorta'
(Harry Lauder’s walking stick, Corkscrew hazel)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, tree-like shrub has heart-shaped, toothed, mid-green leaves. Pendent yellow catkins are borne in late winter and early spring. Strongly twisted, spiraling shoots provide year-round interest.

Cotinus coggygria Cotinus coggygria
(Smoke tree, Venetian sumac)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This bushy shrub or small tree has generated many notable cultivars, all of which add great textural qualities to the landscape. It has 6-inch-long frothy plumes that appear after the flowers and give a long-lasting, smoky haze to branch tips. Its green leaves are smooth and rounded and produce brilliant fall color.

no image available Cotinus coggygria 'Ancot'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This specimen is grown for its stunning golden leaves, which turn to brilliant shades of orange and red in autumn. It may or may not produce the smoke-like plumes typical of the genus. 

no image available Cotoneaster horizontalis
(Rockspray)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous shrub has a spreading habit and branches that form a herringbone pattern. Its glossy, dark green leaves turn red in autumn.White flowers tinged with pink appear in late spring and mature to bright red, round fruit.

Cypripedium reginae Cypripedium reginae
(Showy lady's slipper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This terrestrial orchid has 3 to 7 oval to lance-shaped leaves. Unusual flowers almost 4 inches long, with a rose-pink floral globe under a pair of twisted petals, are borne singly or in pairs on upright stems in summer.

Dahlia 'Fire Pot' Dahlia 'Fire Pot'
('Fire Pot' dahlia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Resembling a water lily, the spectacular pink and yellow blooms are perfect for fabulous summer bouquets! The bright blooms are butterfly-magnets and Fire Pot is extremely easy to grow both in the garden and in containers.
-American Meadows

Daphne × burkwoodii 'Carol Mackie' Daphne × burkwoodii 'Carol Mackie'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This celebrated hybrid is notable for its green leaves with golden-yellow margins that fade to cream. Its deep-pink buds open to pale, pink-white blossoms in early spring and give off a sweet fragrance.

no image available Deinanthe bifida
(Deinanthe)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This small perennial blooms in summer with cup-shaped, waxy flowers that have numerous yellow stamens. Use Deinanthe in a shade garden, a woodland, or a rock garden.

Delosperma ‘Kelaidis’ Delosperma ‘Kelaidis’
(Mesa Verde® Ice Plant)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Mesa Verde® is a moderately-spreading ground cover with small, bright salmon pink flowers that bloom from midspring till late fall. It is tolerant of a wide variety of soil conditions, from poor or sandy to well-drained.

Delphinium 'Bluebird' Delphinium 'Bluebird'
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Blue Bird' is a Pacific Hybrid delphinium grown as an annual or biennial. Its mid-blue flowers have white centers. The flowers are large but short-lived and bloom on tall stems from early summer to midsummer. Grow at the back of a border or in the middle of an island bed. There is nothing quite like delphiniums in the garden.

no image available Delphinium 'Delft Blue'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Belonging to the Belladonna Group hybrids, this delphinium bears loose, branched spikes of intense blue flowers with soft white edges. It may rebloom if deadheaded. The cultivar name pays homage to the resemblance of the flower color to Delft pottery.

Delphinium elatum Delphinium elatum
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The parent of the regal hybrid Delphiniums, the species has 3- to 4-foot-tall spires of blue, violet, lavender, or white flowers. It usually requires staking.

Dennstaedtia punctilobula Dennstaedtia punctilobula
(North American hay-scented fern)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fern's lacy foliage smells of freshly mown grass and carpets the woodland or a moist, partially sunny site. The green lushness turns golden in the fall. It is a good choice for rapid naturalizing. Use in a woodland garden or near water features.

Dianthus 'Bath's Pink' Dianthus 'Bath's Pink'
(Cheddar pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dianthus 'Bath's Pink' is a stunning, wide-spreading ground cover with grassy, blue-green foliage and pink flowers. Use it to edge a bed or grow it in your rock garden for a splash of cool color. To keep its blooms going, be sure to deadhead.

Dianthus alpinus Dianthus alpinus
(Alpine pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Clusters of serrated single blooms in pink to dark crimson sit just off the ground in summer.

Dianthus barbatus Dianthus barbatus
(Sweet William)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These short-lived perennials or biennials are charming plants, and are worth their weight in gold in the cottage border. After flowering, the attractive foliage holds the space well.

Dianthus barbatus 'Summer Sundae' Dianthus barbatus 'Summer Sundae'
(Sweet William)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Summer Sundae' Sweet William is a nice mix of red, pink, and white flowers held in rounded groups at the tops of stems. Plants bloom from late spring to early summer. The flowers are lightly fragrant. Use in a cottage garden or border, or in containers. It flowers the first year from seed.

Dianthus deltoides Dianthus deltoides
(Maiden pink)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mat-forming species with dark green leaves is one of the easiest to grow.  Blossoms range from white to red and are usually single and without fragrance. Use as bedding or in rock gardens.

Dianthus deltoides 'Arctic Fire' Dianthus deltoides 'Arctic Fire'
(Maiden pink)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mat-forming species with narrow, dark green leaves is one of the easiest to grow. Blossoms with red eyes open in early summer and may rebloom if sheared back after flowering.

Dianthus gratianopolitanus Dianthus gratianopolitanus
(Cheddar pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact species forms broad mats of blue-gray linear leaves and is perfect for a rock garden setting. The purplish-pink flowers are solitary, toothed, and deliciously fragrant. 

Dianthus gratianopolitanus 'Firewitch' Dianthus gratianopolitanus 'Firewitch'
(Cheddar pink)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Silvery-blue mats of evergreen, linear foliage. Well-known and loved for the showy, profuse, single, magenta blooms, spring-fall. 'Firewitch' exudes the spicy scent of cloves. Very hardy; good performer. Moderate to fast grower. Heat resistant and tolerant of humidity. Excellent for use in containers, as an edger, in rock gardens, scented gardens and the front of the border. If cut back, they often rebloom in early fall. Considered deer resistant once established. Attracts butterflies!  Very suitable for gardens in the South. -Santa Rosa Gardens

no image available Dianthus plumarius
(Modern border pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Especially fragrant and variable in color, modern border pinks form mats of grayish green leaves and fringed, saucer-shaped flowers.

Dicentra eximia ‘Alba’ Dicentra eximia ‘Alba’
(Fringed bleeding heart, Turkey corn)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Rows of white flowers dangle above the fern-like foliage, opening in April and continuing intermittently until October.

Dicentra spectabilis Dicentra spectabilis
(Bleeding heart, Lyre flower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A garden favorite for many years, bleeding heart has soft green foliage and 1-inch-long rose pink and white heart-shaped flowers for several weeks in spring. Plants can form clumps 3 feet across and almost as tall. Foliage generally goes dormant in summer, so be sure to choose companion plants carefully so there isn't an empty space left in the garden. Beautiful in a border or woodland garden.

Dicentra spectabilis 'Gold Heart' Dicentra spectabilis 'Gold Heart'
(Bleeding heart, Lyre flower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden yellow foliage emerges from the ground in early spring and is soon accompanied by rosy-pink broken hearts that open in succession for nearly a month as the stems elongate.

Diervilla lonicera Diervilla lonicera
(Northern bush honeysuckle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

While not a true honeysuckle (Lonicera spp. and cvs., USDA Hardiness Zones 3-10), Northern bush honeysuckle has honeysuckle-like yellow flowers and glossy green foliage on a native, deciduous shrub 3 to 4 feet tall and 3 to 5 feet wide. The flowers appear in early summer and last through summer, and the foliage occasionally exhibits bright red fall color.

Diervilla sessilifolia 'Butterfly' Diervilla sessilifolia 'Butterfly'
(Southern bush honeysuckle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Southern bush honeysuckle has an attractive thicket-forming habit. Glossy green leaves with tapered tips emerge tinged with bronze and mature to mid-green on reddish stems. Sulfur-yellow flowers in terminal clusters to 3 inches across appear in summer.

Digitalis grandiflora Digitalis grandiflora
(Yellow foxglove)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Originating in mountainous woodland and stony habitats from Europe to western Asia, yellow foxglove is tolerant of dry shade but flourishes with moisture. Arising in midsummer from neat clumps of fine-toothed foliage, a mass of soft yellow open bells, speckled brown inside, blooms along one side of a 3-foot-tall stem. Usually described as a perennial, it is more accurate to call it a biennial or short-lived perennial. If the flowering stalk is cut down after blooms have faded, it may rebloom in the fall. When a few flower stalks are left, the plant self-seeds. 

Digitalis obscura Digitalis obscura
(Sunset foxglove, Willow-leaved foxglove)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This foxglove has long-lasting flowers in seductive shades of burnt umber. Its glossy, linear leaves are evergreen in mild climates, but turn brown in colder climates.

no image available Digitalis purpurea 'Pam's Choice'
(Common Foxglove)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a biennial or short-lived perennial, which may last longer and rebloom if deadheaded. It sports dramatic blossoms in contrasting colors in spires reaching six feet high in rich soil, but more likely to 3 or 4 feet. 

Diphylleia cymosa Diphylleia cymosa
(Umbrella leaf)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Wide and distinct umbrella-like leaves form beautiful clumps in a woodland setting. The small white flowers, which persist throughout the season, transform into striking umbels of blue-black berries on cerise stalks.

Disporum sessile 'Variegatum' Disporum sessile 'Variegatum'
(Variegated fairy bells)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar adds attractive white-striped foliage to shady areas, as well as pendent, white, bell-shaped flowers in late spring and early summer, and black berries in fall. The species is native to Japan. Variegated fairy bells grows to about 24 inches tall and wide.

Echinacea 'Art's Pride' Echinacea 'Art's Pride'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cross of E. purpurea 'Alba' and E. paradoxa bears narrow coppery-orange ray petals and prominent deep brown central cones. The fragrant blooms open from early to late summer with sporadic later bloom. It has semi-glossy leaves and grows 2 to 3 feet tall.

Echinacea 'Harvest Moon' Echinacea 'Harvest Moon'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, earthy-gold petals and golden orange central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Sundown' Echinacea 'Sundown'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, russet-orange petals and reddish-brown central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Sunrise' Echinacea 'Sunrise'
(Coneflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, pale citron petals and green-maturing-to-copper central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Sunset' Echinacea 'Sunset'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, vibrant salmon-orange petals and brown central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Twilight' Echinacea 'Twilight'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant rose-colored petals and stunning red central cones on 24-inch plants. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

no image available Echinacea angustifolia
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow perennial has daisy-like blossoms in early summer. It bears copper-orange central cones surrounded by short, arching, ray petals in pink or purple-pink, and occasionally white.

Echinacea purpurea Echinacea purpurea
(Purple coneflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Because of its carefree performance, this native meadow perennial with daisy-like flowers appropriately inhabits the gardens of many. It blooms from midsummer into early autumn, with prominent, copper-orange central cones surrounded by rose-purple, ray petals (to 5 inches across).

Echinacea purpurea Echinacea purpurea
(Purple coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Create a field full of gorgeous pink blooms with easy-to-grow Echinacea seeds. Butterflies and Hummingbirds will flock to your property each summer and the multitude of blooms make for spectacular bouquets. -American Meadows

Echinacea purpurea 'Fragrant Angel' Echinacea purpurea 'Fragrant Angel'
('Fragrant Angel' coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Coneflowers have much to offer the garden, and now they have fragrance, too. 'Fragrant Angel' has large, sweetly scented flowers made up of two rows of white petals surrounding a greenish orange cone. The plants grow to 40 inches and attract butterflies. Grow them in a border, meadow, cottage garden, or cut flower garden.

Echinacea purpurea 'Kim's Knee High' Echinacea purpurea 'Kim's Knee High'
(Purple coneflower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow derivative is a compact version of the species. It blooms from midsummer into early autumn, with prominent, copper-orange central cones surrounded by drooping, rose- or purple-pink ray petals. It will reach 24 inches if not cut back.

Echinacea purpurea 'Magnus' Echinacea purpurea 'Magnus'
(Purple coneflower)
(12 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow derivative has vibrant, daisy-like flowers that bloom from midsummer into early autumn. Its prominent, dark orange central cones are surrounded by larger (to 7 inches across) and more horizontal, reddish-pink, ray petals than the species.

Echinacea purpurea ‘Bright Star’ Echinacea purpurea ‘Bright Star’
(Purple coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow derivative with daisy-like flowers blooms from early summer into early autumn. 'Bright Star' has prominent, copper-orange central cones surrounded by red-purple ray petals (to 5 inches across), and grows to less than 3 feet tall.

Echinacea purpurea ‘White Swan' Echinacea purpurea ‘White Swan'
(White coneflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar of a native meadow coneflower has white, daisy-like flowers from early summer into early autumn. Its prominent, coppery-green, central cones are surrounded by large white ray petals that reach 4.5 inches long.

Echinacea tennesseensis 'Rocky Top' Echinacea tennesseensis 'Rocky Top'
(Tennessee coneflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The 'Rocky Top' hybrid offers the garden an abundance of pastel pink coneflowers with greenish-black cones on plants 2 to 3 feet tall and 1 foot wide. Interestingly, the flowers follow the sun like sunflowers and the petals sometimes curl upward slightly. Use this compact coneflower in borders, meadows, or as cut and dried flowers. E. tennesseensis was thought to be extinct in the 1960s, but was rediscovered and is now widely available as a garden plant.

Echinops ritro Echinops ritro
(Small globe thistle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact species has cobweb-like, woolly foliage. The unique spherical flowerheads appear steely blue before maturing to a brighter blue. The late summer flowers add charm of form and texture to a mixed border.

Elaeagnus umbellata Elaeagnus umbellata
(Autumn olive)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Autumn olive is a vigorous, deciduous shrub with pale yellow-white bell-shaped flowers to a half-inch long borne in late spring and early summer. Its silvery fruit turns red in fall and attracts birds. Wavy-margined leaves are silvery when they emerge and mature to bright green above.

Elymus arenarius Elymus arenarius
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has densely tufted, spreading clumps of strap-like, flowing foliage. Pale blue-gray leaves arch loosely. In summer, it produces stiff, upright, blue-gray spikes of flowers that turn buff.

Ephedra equisetina Ephedra equisetina
(Bluestem joint fir)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A member of the conifer clan, Ephedra equisetina is commonly called bluestem joint fir due to its finely textured blue stems. In spring, it features a conspicuous froth of yellow blooms that are often followed by red berries. It is perfect for naturalized areas since it reliably spreads.

Eriogonum umbellatum Eriogonum umbellatum
(Sulfur flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Wild buckwheats have assumed star roles in drought-tolerant landscapes throughout the West, and none is more useful than sulfur flower. It has wonderful evergreen foliage with brilliant blooms from late spring through late summer. Long-lived, this perennial is so adaptable that it also thrives in humid climates.

Eupatorium 'Phantom' Eupatorium 'Phantom'
('Phantom' Joe Pye weed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Phantom' Joe Pye weed is an excellent 3-foot-tall perennial that was bred especially for smaller gardens and mixed containers. Plants have dark green, whorled foliage and handsome lavender to purple flower heads in late summer and fall. The blooms are darker when night temperatures are cool. Joe Pye weed attracts butterflies and other insects.

Eupatorium dubium 'Little Joe' Eupatorium dubium 'Little Joe'
(Joe Pye weed)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Little Joe' is a dwarf cultivar of a species of our native Joe Pye weed. It can reach 3 or 4 feet tall and 2 to 3 feet wide, and it has the familiar large domes of lavender-pink flowers that attract lots of butterflies in late summer and early fall. Its smaller size makes it a better fit in moist borders, beds, meadows, or roadside plantings.

Eupatorium maculatum Eupatorium maculatum
(Joe Pye weed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, flat-topped flowerheads in shades of purple add soft color and texture to the summer and fall garden. The leaves are purple-tinged on thick stems with maroon spots. Butterflies love this eastern U.S. native.

Eupatorium purpureum Eupatorium purpureum
(Joe Pye weed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, domed flowerheads of pink, light purple, or off-white add soft color and texture to the summer and fall garden. The leaves are purple-tinged on thick stems suffused with maroon. This eastern U.S. native attracts butterflies from mid-summer to early fall.

no image available Eupatorium rugosum
(White snakeroot)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This eastern U.S. woodland plant has clusters of small, fluffy white flowers topping stiff 3- to 5-foot-tall stems midsummer to frost. 

Eupatorium rugosum 'Chocolate' Eupatorium rugosum 'Chocolate'
(White snakeroot)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The deliciously colored maroon-brown leaves contrast nicely with neighboring plants through the season. Pure white flowerheads bloom in midsummer and stay open well into autumn.

no image available Euphorbia 'Helena’s Blush™'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hybrid has petite green-and-cream variegated foliage with a hint of pink on the undersides. It produces chartreuse and apple green bicolored bracts on airy stems.

Euphorbia griffithii Euphorbia griffithii
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has red stems and dark green leaves, which emerge in spring with a reddish tinge. In early summer, it bears conspicuous bracts of orange-red or red. 

Euphorbia griffithii 'Fireglow' Euphorbia griffithii 'Fireglow'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Fireglow' bears conspicuous bracts in vivid orange-fuchsia in early summer. It has red stems and dark green leaves, which emerge in spring with a reddish tinge.  

Euphorbia polychroma Euphorbia polychroma
(Cushion spurge)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Electric yellow bracts bloom on a low cushion in April and persist, but gently fade as the stems elongate to form a 16-inch mound by midsummer. The leaves produce shades of red, orange, and purple in autumn.

Fagus sylvatica 'Purple Fountain' Fagus sylvatica 'Purple Fountain'
(Purple fountain beech, European beech)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Purple Fountain' is a deciduous, columnar, dark-leaved tree with bronze-purple, wavy margined leaves and cascading branches. Leaves become more green as summer wears on. It can be used as a specimen tree or for pleaching. It is similar to the purple weeping beech but is much more columnar. Fall color is yellow, then orange-brown.

Festuca glauca 'Boulder Blue' Festuca glauca 'Boulder Blue'
(Blue fescue, Gray fescue)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Regarded by some as the bluest blue fescue, this plant forms compact, cascading mounds of foot-tall, intensely blue, narrow leaves that are attractive in all seasons. Blooms are generally secondary to the foliage, but this cultivar blooms more heavily than most, with spikelets in summer. This cultivar is long-lived and very hardy. Grow in groups in a border or rock garden, or as a groundcover. 

Festuca glauca 'Elijah Blue' Festuca glauca 'Elijah Blue'
(Blue fescue, Gray fescue)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These compact tufts of 8-inch-long powder-blue leaves are well suited for edging and naturalizing in the rock garden. 

Festuca mairei Festuca mairei
(Atlas fescue)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sturdy groundcover is fast becoming one of the most dependable grasses for creating drought-tolerant meadows. Clumping evergreen foliage is a rich khaki green and grows in an arching clump. The flowers, while noticeable, are not showy. Atlas fescue is at its best in groups and grows in all but hot, humid, and low desert climates.

Fothergilla gardenii Fothergilla gardenii
(Dwarf fothergilla)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Fragrant, cylindrical inflorescences are made up of long, white filaments, and open before the leaves in spring. In autumn, the foliage shades range from blood red to blazing yellow, and every shade in between.

Gaillardia 'Arizona Sun' Gaillardia 'Arizona Sun'
(Blanket flower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This 2005 All-America Selections® winner is a cultivar of our native blanket flower. It covers itself in large reddish flowers with yellow edges up to a month earlier than other gaillardia. Growing to just about a foot tall and wide, it is beautiful at the front of a border.

Galanthus elwesii Galanthus elwesii
(giant snowdrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The giant snowdrop has larger flowers and broader leaves than the more common G. nivalis, but grows to the same 4 inches tall and wide. Its white, nodding blooms appear in late winter, signalling spring around the corner.

Galanthus nivalis Galanthus nivalis
(common snowdrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Snowdrops are some of the earliest bulbs, and flowers in general, to bloom in spring. Galanthus nivalis is the most common species, and its cultivars are the most commonly grown snowdrops on the market. They are reliably hardy and perennial. They grow to 4 inches tall and wide and flower in mid- to late winter, long before most other plants. They are the first sign of spring around the corner. Flowers are nodding and white.

Gaultheria procumbens Gaultheria procumbens
(Wintergreen, Checkerberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This creeping, rhizomatous shrublet grows to 6 inches, with scalloped or bristly toothed, glossy, dark green leaves. Foliage has a strong wintergreen scent when crushed. Urn-shaped white or pale pink flowers appear in summer and mature to aromatic scarlet fruit that often persists into the following spring.

Geranium 'Rozanne' Geranium 'Rozanne'
(Hardy geranium)
(32 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The large blooms of this perennial are a spectacular violet-blue with a white throat and darker venation on plants 1 to 2 feet tall and wide. The attractive foliage weaves itself through neighboring plants. Grow in borders, containers, or rock or cottage gardens. 'Rozanne' is most effective en masse. 

Geranium ‘Johnson's Blue’ Geranium ‘Johnson's Blue’
(Cranesbill)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This popular perennial is grown for its blue or lavender-blue, saucer-shaped flowers that bloom for many weeks. It is useful in borders, rock gardens, and containers. It quickly reaches about 18 inches tall and 2 or 3 feet wide.

Geranium × oxonianum 'Wargrave Pink' Geranium × oxonianum 'Wargrave Pink'
(Cranesbill)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Wargrave Pink' is a vigorous perennial suitable for groundcover. The notched, funnel-shaped, salmon-pink flowers bloom all season. 

Geranium himalayense Geranium himalayense
(Cranesbill)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant bears rich medium blue to violet-blue flowers from 1.5 to 2.5 inches wide in early summer, and blooms sporadically throughout the summer. 

no image available Geranium macrorrhizum 'Bevan's Variety'
(Bigroot geranium)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Thick rhizomes and stout, sprawling stems guarantee this hardy geranium survivor status. It forms dense mats of foliage in no time, making a perfect large-scale groundcover. The foliage is aromatic, particularly when touched, and transforms to red in fall. The magenta-pink flowers are conspicuously veined. 'Bevan's Variety' grows to slightly more than a foot tall with indefinite spread.

no image available Geranium maculatum
(Spotted geranium)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright plant bears cupped flowers 1.5 inches across in variable hues of pale to bright pink from late spring to midsummer. 

no image available Geranium maculatum 'Elizabeth Ann'
(Spotted geranium)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This gorgeous cultivar of the North American species has rich, chocolate brown foliage and contrasting lavender blooms. 

Geranium nodosum Geranium nodosum
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This attractive groundcover blooms all summer and is tolerant of diverse habitats. It has glossy leaves and notched, 1.25-inch lilac-pink flowers with darker veins.

Geranium pratense 'Midnight Reiter' Geranium pratense 'Midnight Reiter'
(Meadow cranesbill)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Deeply cut plum-purple leaves emerge in spring and stay true to color throughout the season. Lavender-blue flowers bloom beginning in late spring. 'Midnight Reiter' grows to only about 6 or 8 inches tall and twice as wide. More shade causes the foliage to be greener.

no image available Geranium psilostemon
(Cranesbill)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Upright, magenta flowers form shallow cups with jet-black centers and veins bloom in summer. The leaves have deep-pink tints and color nicely in the fall.

Geranium sanguineum Geranium sanguineum
(Bloody cranesbill)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A profusion of delicate, magenta-pink, upward-facing blossoms cover this plant over a long period. The leaves are deeply divided and add texture to the plant's rounded form. 

Geranium sanguineum var. striatum Geranium sanguineum var. striatum
(Bloody cranesbill)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A profusion of delicate pink, upward-facing blossoms cover this plant over a long period. The leaves are deeply divided and add texture to the plant's rounded form. 

no image available Geum triflorum
(Prairie smoke, Purple avens)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This prairie native bears nodding, pinkish-maroon flowers in spring, followed by seed heads that resemble wisps of cotton candy and connote the plant's common name. The upright, ferny foliage is beautiful, and can be evergreen in mild climates. 

Gleditsia triacanthos Gleditsia triacanthos
(Honeylocust)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Honey locust grows in the wild from Pennsylvania to Iowa and south to Georgia and Texas. In the landscape, this large, spreading, deciduous tree is valuable for its elegant form and pinnate, ferny leaves that cast a dappled shade. Flowers are generally inconspicuous, but are followed by unusual large seed pods. Fall color can be a nice yellow, but leaves sometimes fall without noticeably changing colors. The species has a thorny trunk and shoots, but thornless cultivars are available.

Hamamelis virginiana Hamamelis virginiana
(Common witch hazel)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The native common witch hazel is an understory plant that becomes leggy if it has to reach for light, but in the open, it develops into a graceful, spreading shrub about 20 feet tall. Its broad leaves turn a clear, bright yellow in the autumn. The abundance of pale yellow fall flowers that accompanies the foliage comes as a wonderful late-season surprise. The deceptively fragile-looking blossoms that appear near the end of October seem to keep winter at bay for weeks.

Helenium ‘Butterpat’ Helenium ‘Butterpat’
(Sneezeweed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Sneezeweed is a clump-forming perennial with sturdy, branching stems and mid-green leaves. In August and September, masses of 2-inch, daisy-like yellow flowers are borne in large, loose terminal clusters on leafy 4- to 5-foot tall stems.

no image available Helianthus divaricatus
(Woodland sunflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

July through September, this sunflower bears golden yellow flowerheads with 8 to 9 ray florets around darker orange-yellow disk florets. Stems are tall and hairy; lance-shaped mid-green leaves are rounded at the base, appearing in opposite pairs.

Helianthus grosse-serratus Helianthus grosse-serratus
(Sawtooth sunflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Sawtooth sunflower's abundant yellow daisy flowers bloom from late summer well into fall. The dark green, narrow leaves have a leathery gloss. A well-behaved plant, sawtooth sunflower forms a thick, slowly expanding clump. It can reach 10 feet and taller, depending on conditions.

Helictotrichon sempervirens Helictotrichon sempervirens
(Blue oat grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dramatic powder blue foliage and spiky architecture are hallmarks of this plant. The leaves resemble rigid, tapering pieces of steel blue linguine collected in a porcupine-like dome.

Heliopsis helianthoides Heliopsis helianthoides
(False sunflower, Ox eye, Woodland sunflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial bears striking, sunflower-like yellow blooms on long stalks from midsummer to early autumn.

no image available Heliopsis helianthoides 'Summer Nights'
(False sunflower, Ox eye)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Summer Nights' has a clumping form, sturdy wine-purple stems, and bronze-tinted leaves. It bears striking deep golden-orange blooms with orange-red centers from June until August.

Helleborus × hybridus cvs. Helleborus × hybridus cvs.
(Hellebore)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

From late fall through winter, the leathery leaves of hellebores stay glossy, cheery, and green. Hybrids of H. orientalis and other species have a clump-forming habit and leathery leaves. They begin blooming in February or March in a range of shades, adding much needed color very early in the season. The blooms last for a very long time, especially if the weather stays cool. Hellebores are tolerant of summer heat and humidity. -Marty Hair, Regional Picks: Upper Midwest, Fine Gardening issue# 127

Helleborus odorus Helleborus odorus
(Fragrant hellebore)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Lime-green to near-yellow flowers 1 to 2 inches across, with five petal-like sepals, are borne in loose clusters of three or four on leafy stems up to 20 inches tall. Blooms emerge in late winter or early spring, fading to pale green and lasting until seeds are ripe. There is great variation in fragrance, flower color and size, as well as leaf form, across different plants.

Helleborus odorus 'Double Queen' Helleborus odorus 'Double Queen'
(Lenten rose, hellebore)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hellebores begin blooming in mid-winter in a range of colors, adding much needed color very early in the season. They bloom when the temperature is below freezing, even amidst the snow. Protect from cold winter winds, especially when not insulated by snow, to avoid damaged foliage. Avoid ingestion of all plant parts and contact with the sap.

Helleborus orientalis Helleborus orientalis
(Lenten rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hairless or slightly hairy perennial has over-wintering, leathery, deep green basal leaves each divided into 7 or 9 leaflets. From January until May, masses of white or greenish-cream flowers, becoming pink with age, appear on branched stems.

Hemerocallis 'Armani' Hemerocallis 'Armani'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Autumn Minaret' Hemerocallis 'Autumn Minaret'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Baby Fresh' Hemerocallis 'Baby Fresh'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Banana Boat' Hemerocallis 'Banana Boat'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Beauty to Behold' Hemerocallis 'Beauty to Behold'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Blackeyed Stella' Hemerocallis 'Blackeyed Stella'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Brazilian Orange' Hemerocallis 'Brazilian Orange'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Catalyst' Hemerocallis 'Catalyst'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Charles Johnston' Hemerocallis 'Charles Johnston'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Chorus Line' Hemerocallis 'Chorus Line'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Condilla' Hemerocallis 'Condilla'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Cool Jazz' Hemerocallis 'Cool Jazz'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Elijah' Hemerocallis 'Elijah'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Elizabeth's Magic' Hemerocallis 'Elizabeth's Magic'
(Daylily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'English Witch' Hemerocallis 'English Witch'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Daylilies are classic, extremely popular garden plants. They feature long, arching, strappy leaves and long stems of generally 6-petaled flowers, though double flowers are popular as well. Each flower lasts only one day, hence the plant’s common name. Daylilies come in a wide range of colors, from cream and cheery yellow to peach, orange, fiery red, deep burgundy, pink, and purple. Some have contrasting throats and "eye-zones." Daylilies are ideal for a mixed herbaceous perennial border.

Hemerocallis 'Frances Fay' Hemerocallis 'Frances Fay'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This floriforous daylily is a melony yellow.

Hemerocallis 'Froufrou' Hemerocallis 'Froufrou'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Froufrou' gets its name from its small, ruffled yellow petals.

Hemerocallis 'Garden Portrait' Hemerocallis 'Garden Portrait'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar has pale yellow, spider-like blooms and no fragrance.

Hemerocallis 'Girl Scout' Hemerocallis 'Girl Scout'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Girl Scout' has large, bright yellow flowers.

Hemerocallis 'Happy Returns' Hemerocallis 'Happy Returns'
(Daylily)
(15 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This pale-yellow-flowered daylily distinguishes itself with its profuse bloom and compact size (only 16 inches tall), making it good for containers and the borders. It is an early season bloomer with circular flowers that open in late afternoon and last through the night.

Hemerocallis 'Indonesia' Hemerocallis 'Indonesia'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This daylily has cheerful, ruffly yellow-orange flowers.

Hemerocallis 'Jungle Fever' Hemerocallis 'Jungle Fever'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Red daylily with a yellow center.

Hemerocallis 'Kindly Light' Hemerocallis 'Kindly Light'
(Daylily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Kindly Light' has large, yellow-green, spider-like flowers but no fragrance.

Hemerocallis 'King's Genius' Hemerocallis 'King's Genius'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This daylily has large red flowers with a yellow center and yellow accents.

Hemerocallis 'Malaysian Monarch' Hemerocallis 'Malaysian Monarch'
(Daylily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar has large flowers and is semi-evergreen in some climates.

Hemerocallis 'Mini Pearl'

Hemerocallis 'Mini Pearl'


(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a lovely yellow-pink (some say apricot) daylily.

Hemerocallis 'Strawberry Candy' Hemerocallis 'Strawberry Candy'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Strawberry Candy' has small, rose-pink flowers with yellow centers. They are semi-evergreen in some climates.

Hemerocallis 'Sydney Eddison' Hemerocallis 'Sydney Eddison'
(Daylily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This daylily has large, pale creamy pink flowers.

Hemerocallis 'Yum Yum' Hemerocallis 'Yum Yum'
(Daylily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Yum Yum' has miniature red flowers.

Heracleum mantegazzianum Heracleum mantegazzianum
(Giant hogweed, Cow parsnip)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant reaches up to 15 feet high, with coarsely hairy, deeply lobed, irregularly toothed, mid-green leaflets up to 5 feet wide; hollow, ridged, purple-blotched stems; and huge umbels of white flowers.

Hesperis matronalis Hesperis matronalis
(Sweet rocket, Dame's violet, Wild phlox)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a biennial or short-lived perennial with leafy stems and 4- to 8-inch-long toothed, hairy leaves. Lilac or purple, sometimes white, flowers are borne from late spring to midsummer in racemes or panicles.

Heuchera 'Amber Waves’ Heuchera 'Amber Waves’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bright lime green foliage and perky rose-colored flowers in spring make this plant a great selection. It turns a nice orange in autumn.

Heuchera 'Blackberry Jam' Heuchera 'Blackberry Jam'
('Blackberry Jam' heuchera)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This heuchera, sold as Dolce® Blackcurrant in the U.S., has purple and silver leaves veined with black and grows up to 16 inches tall and 20 inches wide. While it flowers in early summer, it is grown primarily for its dramatic foliage and performs well in both garden beds and containers.

Heuchera 'Caramel' Heuchera 'Caramel'
('Caramel' heuchera)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Heuchera 'Caramel' has H. villosa parentage, so it's more tolerant of heat and humidity that other heacheras. It has glowing, apricot-hued foliage that grows up to 12 inches tall and 20 inches wide. Pink flowers appear in spring. This plant performs well in both garden beds and containers, or as a groundcover when planted en masse. It may be evergreen on warmer climates.

Heuchera 'Chiqui' Heuchera 'Chiqui'
('Chiqui' heuchera)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Unlike many heucheras that are grown for their foliage, this heuchera is grown for its tall, large salmon-oink blooms on stems that rise 18 inches above the foliage in spring. The foliage is medium green and grows up to 12 inches tall and 18 inches wide. This cultivar prefers more sun than most heucheras but will tolerate some shade.

Heuchera 'Crème Brûlée' Heuchera 'Crème Brûlée'
('Crème Brûlée' heuchera)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This heuchera cultivar has peachy-bronze leaves and spires of red flowers in late spring and early summer. It grows up to 16 inches tall and 20 inches wide. 'Crème Brûlée' performs well in both garden beds and in containers, where it mingles well with a multitude of plants. This cultivar is very tolerant of heat and sun.

Heuchera 'Crimson Curls' Heuchera 'Crimson Curls'
('Crimson Curls' coral bells)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Crimson Curls' heuchera is fairly pest free, but it requires constant moisture to look its best. White flowers contrast with ruby-colored foliage that deepens in direct sun. 'Crimson Curls' flowers in late spring, and if deadheaded, will flower again by late summer. It needs too much water to grow well in containers. Instead, use it massed along a walkway or in a woodland bed. -Ron Smith, Regional Picks: Upper Plains, Fine Gardening issue #120

Heuchera 'Geisha's Fan' Heuchera 'Geisha's Fan'
('Geisha's Fan' heuchera)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This heuchera has dusky purple leaves with charcoal veins, overlaid with silver between the veins. The plant grows up to 16 inches tall and wide. Pale pink flowers appear in spring. Great in garden beds and in container plantings.

Heuchera 'Green Spice' Heuchera 'Green Spice'
(Coral bells)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This coral bells cultivar has silvery leaves with vivid purple veins and spires of white flowers in late spring and early summer. 'Green Spice' grows to less than a foot tall and a little wider; the wiry flowering stems rise two feet or so above the foliage. Leaves have an orangey hue in fall.

Heuchera 'Lime Rickey' Heuchera 'Lime Rickey'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Ruffled bright green leaves—first chartreuse and then lime green— and spires of white flowers distinguish this vigorous coral bells cultivar. It is eye-catching in a container, in a rock garden, as edging, or as groundcover.

Heuchera 'Marmalade' Heuchera 'Marmalade'
(Coral bells)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The maple-shaped leaves of this heuchera are pale orange with overtones honey, amber, and even pale green. Some are a single color, while others are a fusion. Reddish brown flowers appear in summer. The flower spikes can give cut-flower arrangements a contemporary look. -Sue Whetten, Regional Picks: Rocky Mountains, Fine Gardening issue #127

Heuchera 'Midnight Rose' Heuchera 'Midnight Rose'
('Midnight Rose' heuchera, 'Midnight Rose' coral bells)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Midnight Rose' is a striking heuchera with burgundy leaves heavily splashed with hot pink. The plant grows to 10 inches tall and 16 inches wide and produces small flowers in spring, though this plant is grown primarily for its foliage. Grow it in garden beds, as an edger, or in containers, where it will blend well with a multitude of other plants.

Heuchera 'Pink Lipstick' Heuchera 'Pink Lipstick'
(coral bells, coral flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Heuchera make excellent foliage plants for sun to part shade gardens. With its burgundy stems and pale pink flowers, 'Pink Lipstick' provides great color to a border.

Heuchera 'Plum Pudding' Heuchera 'Plum Pudding'
(coral bells)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Plum Pudding' heuchera makes an excellent foliage plant for sunny to partly shady gardens. This cultivar has a mounded form. Its small white flowers, which bloom in early summer, are not as impressive as the foliage, but they do add a second level of interest. The foliage of 'Plum Pudding', with its silvery overtones, is not as dark as that of other burgundy heucheras. In mild winters, the foliage will persist if you provide adequate moisture to the soil. -Lou Anella, Regional Picks: Southern Plains, Fine Gardening issue #127

Heuchera 'Silver Scrolls' Heuchera 'Silver Scrolls'
('Silver Scrolls' heuchera)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Heucheras make excellent foliage plants for sun to part shade gardens. Most flowers are not as impressive as the foliage, but they do add a second level of interest. 'Silver Scrolls' heuchera's leaves are burgundy overlaid with silver and withstand even hot summers, unlike many other silver plants. It grows up to 2 feet tall and 1 foot wide.

Heuchera 'Velvet Night' Heuchera 'Velvet Night'
(coral bells)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This heuchera cultivar has very dark (almost black) plum or purplish leaves and greenish white, bell-shaped flowers in late spring and early summer.

Heuchera ‘TNHEU042’ Heuchera ‘TNHEU042’
(Dolce® Key Lime Pie coral bells)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In the past decade or so, dozens of new Heuchera cultivars have appeared sporting many combinations of foliage color. While all are delightful foliage plants, the lighter-colored varieties seem best adapted to shade. The most popular of these is Dolce® Key Lime Pie. With its bright gold–chartreuse leaves, this gem of a plant will light up a dark, shady area. -Tom Nelson, Regional Picks: Northern California, Fine Gardening issue #127

Heuchera Dolce® Licorice Heuchera Dolce® Licorice
(Dolce® Licorice heuchera)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This purple to almost black heuchera adds drama to the shade. The plant grows to 16 inches tall and wide with coralcolored blooms in spring. Grow it in garden beds or containers.

Heuchera micrantha var. diversifolia 'Palace Purple' Heuchera micrantha var. diversifolia 'Palace Purple'
(Coral flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Clump-forming perennial features a mound of maple, or ivy-like, long-petioled leaves (3-5" wide) which are an attractive deep purple above and beet red beneath. Foliage color may fade to a bronze green in hot summers. Tiny, pinkish white, bell-shaped flowers in open, airy panicles are borne on slender, wiry, dark red stems extending well above the mound of leaves typically to a height of 15-24" in late spring to early summer. Attracts hummingbirds to the garden! They look especially good used around the edge of a border. -Santa Rosa Gardens

Heuchera villosa 'Autumn Bride' Heuchera villosa 'Autumn Bride'
(Hairy alumroot, Maple leaf alumroot)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, fuzzy, gray-green leaves distinguish 'Autumn Bride' from other cultivars of Heuchera villosa. Attractive white flowers bloom in midsummer. This heuchera tolerates full sun but prefers partial shade, especially in the afternoon. -Jane Hutson, Regional Picks: Midwest, Fine Gardening issue# 127

Hibiscus 'Kopper King' Hibiscus 'Kopper King'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A hardy hibiscus, 'Kopper King' has leaves that are a coppery red on top and orange-red underneath. Large (10 to 12 inches across) ruffly white to pale pink flowers bloom from midsummer to mid-fall if you deadhead. 'Kopper King' dies back to the ground in autumn and is late to break dormancy in the spring. It should be interplanted with spring bulbs and overplanted with winter annuals; that way you'll get color year round without disturbing the hibiscus. -Pat McKernan, Regional Picks: Lower Plains, Fine Gardening issue #120

Hosta 'Aspen Gold' Hosta 'Aspen Gold'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Perfectly round, puckered, bright-gold leaves have a pattern resembling seersucker fabric. Pale-lavender flowers appear in early summer.

Hosta ‘August Moon’ Hosta ‘August Moon’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large and vigorous mounding hosta reaches 20 to 24 inches tall and 36 to 42 inches wide. Heart-shaped, cupped, puckered, pale green leaves provide interesting and attractive texture. Bell-shaped, grayish white flowers are borne on 28-inch-long scapes from mid-July through early August.

Hosta 'Blue Angel' Hosta 'Blue Angel'
(Hosta)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Blue Angel' makes a very large tiered mound of heavily textured blue leaves that can be as wide as 18 in. in diameter.

Hosta 'Blue Shadows' Hosta 'Blue Shadows'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Blue Shadows' is a medium-sized plant with coarse, deep blue, variegated leaves.

Hosta 'Fort Knox' Hosta 'Fort Knox'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright selection reaches 24 inches tall and 44 to 48 inches wide. 'Fort Knox' has an elegant vase-shaped habit and radiant yellowish-gold leaves 10 inches long by 6 inches wide. Lavender flowers appear in midsummer.

Hosta 'Fortunei Albo-marginata' Hosta 'Fortunei Albo-marginata'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bold, large, shield-shaped leaves with a deep green center and creamy-white margins turn white with age. Funnel-shaped mauve flowers borne on leafy scapes 32 inches long appear in midsummer.

Hosta 'Guacamole' Hosta 'Guacamole'
(Hosta)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

As its name might indicate, 'Guacamole' has avocado green, veined foliage with darker green margins. This hosta forms large, dense clumps and thrives in partial shade, where the sun can brighten the leaf centers. In late summer, 3-foot-tall flower stalks emerge, bearing fragrant, lilylike white blooms. -Matt Griswold, Regional Picks: Northeast, Fine Gardening issue #127

Hosta 'Halcyon' Hosta 'Halcyon'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

‘Halycon’ is a wonderful blue hosta that holds its strong leaf color all season. Its textured, blue-green leaves are thick enough to be slug resistant. Bell-shaped, pale lilac flowers are followed by seed heads that attract birds late in the season. 'Halcyon' grows fairly slowly. It can be used as either a ground cover or a specimen plant. -Jane Hutson, Regional Picks: Midwest, Fine Gardening issue# 127

Hosta 'June' Hosta 'June'
(Plantain lily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'June' hosta has bluish leaves with irregularly shaped creamy gold centers. Pale lavender flowers bloom in late summer on 20-inch spikes. This medium-sized plant is a standout in shade or woodland gardens. It was the American Hosta Growers Association "Hosta of the Year 2001".

Hosta 'Lakeside Shore Master' Hosta 'Lakeside Shore Master'
('Lakeside Shore Master' hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

With hefty, chartreuse-flared leaves, ‘Lakeside Shore Master’ hosta commands attention. Performing best in shade, it will tolerate some sun in our cool New England climate. Please don’t let the name fool you, however, into giving it a soggy spot; wet feet turn hostas into mush. This cultivar also sports thick leaves, which are fairly slug resistant. -Justin Nichols, Fine Gardening 147, page 70

Hosta 'Little Aurora' Hosta 'Little Aurora'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A fast grower, 'Little Aurora' has cupped, puckered leaves and a metallic sheen, with soft-lavender flowers from late June into early July.

Hosta 'Patriot' Hosta 'Patriot'
(Hosta)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Patriot' is one of the few hostas that can really take the heat. It's a tough plant with relatively large leaves, and their white edges shine in the shade the shade. In midsummer, lavender flowers appear on tall spikes. -Lou Anella, Regional Picks: Southern Plains, Fine Gardening issue #127

Hosta 'Piedmont Gold' Hosta 'Piedmont Gold'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A robust, clump-forming perennial, 'Piedmont Gold' has prominently veined, wavy-margined, bright-gold leaves 10 inches long by 7 inches wide. It reaches an average height of 18 to 25 inches tall and 40 inches wide. White flowers on 26-inch stems appear in midsummer.

Hosta 'Sum and Substance' Hosta 'Sum and Substance'
(Hosta)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A botanical giant, 'Sum and Substance' averages 30 inches tall by 60 inches wide, sometimes more. Upright, heart-shaped, flat leaves have a glossy chartreuse hue that changes to gold when exposed to more light. Near-white lilac blooms borne on leaning scapes 36 inches long appear from late July through mid-August.

Hosta 'Sun Power' Hosta 'Sun Power'
(Hosta)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Sun Power' is a clump-forming perennial with oval to heart-shaped, yellowish green leaves below funnel-shaped, pale-lavender to white flowers in midsummer.

Hosta kikutii 'Hillbilly Blues' Hosta kikutii 'Hillbilly Blues'
(Japanese rock hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A clump-forming perennial with flat-spreading, blue-colored leaves, Japanese rock hosta bears funnel-shaped white flowers, sometimes flushed with purple, on arching, leafy scapes 24 inches long.

Hosta sieboldiana 'Elegans' Hosta sieboldiana 'Elegans'
(Hosta)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Elegans' is a large hosta with deep, smoky blue, slightly frosted heart-shaped foliage.  Deep veins give the leaves a corrugated look. White flowers bloom in early spring. Though slugs love hostas, this one is usually spared. -Sue Whetten, Regional Picks: Rocky Mountains, Fine Gardening issue #127

Humulus lupulus 'Nugget' Humulus lupulus 'Nugget'
('Nugget' hops)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous vine quickly reaches 20 feet tall and thrives on neglect. The greenish yellow, conelike flowers smell like beer. It can scramble along the ground or grow up screens and trellises.

Humulus lupulus 'Aureus' Humulus lupulus 'Aureus'
(Hops)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Aureus' is a fast-growing, twining perennial with roughly hairy shoots and deeply lobed, maple-like leaves in a luminous, clear shade of yellow. Clusters of subtle, fragrant, greenish yellow flowers add texture in summer and mature to pendent, papery, cone-shaped fruits.

Hydrangea arborescens Hydrangea arborescens
(Smooth hydrangea, Wild hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Creamy, six-inch flower heads form flattened spheres above heart-shaped leaves from June through frost.

Hydrangea arborescens 'Annabelle' Hydrangea arborescens 'Annabelle'
(Smooth hydrangea)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Exceptional and enormous creamy flowerheads up to one foot across form billowy, flattened spheres that withstand the rain well. Leaves are large and downy.

Hydrangea arborescens ‘Grandiflora' Hydrangea arborescens ‘Grandiflora'
(Hills-of-snow hydrangea, Smooth hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hydrangea arborescens is a southeastern U.S. native shrub with a rounded habit to 5 feet tall and domes of creamy white flowers over a long period beginning in early summer. The cultivar 'Grandiflora' has larger, showier flowerheads than the species. They grow to 6 to 8 inches across.  

Hydrangea arborescens Invincibelle® Spirit Hydrangea arborescens Invincibelle® Spirit
( Invincibelle® Spirit smooth hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

It's the pink 'Annabelle' hydrangea! Invincibelle Spirit is as hardy and adaptable as 'Annabelle' but produces loads of hot pink flowers from early summer to frost. It's a reliable bloomer in the north and is also heat tolerant. -Proven Winners

Hydrangeamacrophylla 'Mini Penny™' Hydrangea macrophylla 'Mini Penny™'
('Mini Penny™' hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This re-blooming mophead features inflorescences ranging 4-6 inches wide. Their color will be pink or blue depending on aluminum availability in soil. Compact habit with glossy dark green leaves.

Hydrangea paniculata Hydrangea paniculata
(Panicle hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces gracefully arching branches and pyramidal clusters of white, then pink-tinged to dusky purple blossoms.

Hydrangea paniculata 'Grandiflora' Hydrangea paniculata 'Grandiflora'
(Peegee hydrangea, Panicle hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, sometimes giant white flower heads reaching 6 to 18 inches long turn pinkish with age. 'Grandiflora' is a fast-growing shrub that can reach 25 feet tall. Hydrangea paniculata is one of the most cold-hardy species. It may be grown as a single-stemmed tree specimen or as a multi-stemmed shrub. 

Hydrangea paniculata 'Tardiva' Hydrangea paniculata 'Tardiva'
(Panicle hydrangea)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Tardiva' is a late-flowering (early to late autumn) cultivar with loosely-packed, sharply pointed white flower heads that turn purplish-pink with age. It is a vigorous, fast growing deciduous shrub that reaches 8 to 12 feet tall.

Hydrangea paniculata ‘Unique’ Hydrangea paniculata ‘Unique’
(Panicle hydrangea)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Unique' bears 8-inch-long white flower heads that fade to pinkish white. It is similar to, but more vigorous than, Hydrangea paniculata 'Grandiflora'. The cultivar name refers to the shape of the flower heads; they are broad at the base and rounded at the tip.  

Iris ensata Iris ensata
(Japanese iris)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This Laevigata iris bears 3 or 4 purple or red-purple blooms measuring 6 to 12 inches across, on single stems. Prominently ribbed leaves are 24 to 36 inches long. ‘Caprician Butterfly’ is a white, purple-veined cultivar.

Iris missouriensis Iris missouriensis
(Rocky Mountain iris, Wild blue iris)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variable, beardless iris with narrow leaves to 20 inches long bears 2 to 4 blooms on each branched stem, in summer. The flowers have short, pale to deep blue or lilac-purple standards and larger falls with deep purple veining.

Iris pallida 'Variegata' Iris pallida 'Variegata'
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

An iris with foliage as showy as its flowers, 'Variegata' has bright green leaves striped with yellow and beautiful soft blue flowers with yellow beards. This bearded iris reaches four feet high and spreads indefinitely. Use to edge a border or grow at waterside.  

Iris sibirica Iris sibirica
(Siberian iris)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Attractive, grass-like leaves to 18 inches long are topped by showy flowers in a wide range of colors. Flowers unfurl in May and bloom well into June. Cultivars include ‘Caesar’s Brother’, with rich purple flowers; ‘Eric the Red’, a bright violet-pink Siberian; and ‘Chilled Wine’, a garnet iris suffused with blue.

Juniperus chinensis 'Iowa' Juniperus chinensis 'Iowa'
(Chinese juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a slow-growing evergreen shrub with a formal appearance, with its narrow, columnar form and outstanding gray-green foliage. It grows to 15 feet tall and 10 feet wide at maturity. Its growth remains dense as it matures. Silvery-blue, waxy berries are highly decorative.

Juniperus horizontalis 'Wiltonii' Juniperus horizontalis 'Wiltonii'
(Blue rug juniper, Wilton's juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This creeping shrub has a prostrate form and dense, steely blue foliage. The mature height is 1 foot tall. Scale-like green leaves turn a dull purple in winter. Blue rug juniper creates a flat ground cover. It grows 6 to 12 inches per year and bears ovoid dark blue fruit.

Juniperus squamata 'Blue Star' Juniperus squamata 'Blue Star'
(Singleseed juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Blue Star' jumiper is a slow-growing, compact, evergreen shrub with a mounding shape. Its silver blue foliage is attractive in all seasons, and its blue, berry-like, female cones each contain one seed, hence its common name.

no image available Juniperus squamata ‘Holger’
(Singleseed juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Holger' is a prostrate shrub with a semi-spreading form and narrow pointed leaves. Young growth emerges a soft sulfur-yellow, contrasting with steel-blue mature leaves. This plant bears glossy black fruit.

Kolkwitzia amabilis 'Maradco' Kolkwitzia amabilis 'Maradco'
('Maradco' beautybush)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Anyone who has grown beautybush knows that it puts on a spectacular pink flower display in late spring and then it goes incognito the rest of the year. This new beautybush, however, commonly known as Dream Catcher™, dazzles the eye with unforgettable, golden yellow foliage that turns to a striking golden orange in fall.

Lamium galeobdolon Lamium galeobdolon
(Yellow archangel)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rhizomatous perennial has erect or creeping stems and silvery leaves. In summer, it produces spikes of yellow flowers spotted with brown. A less invasive cultivar is 'Hermann's Pride'.

Lamium galeobdolon 'Hermann's Pride' Lamium galeobdolon 'Hermann's Pride'
(Deadnettle, yellow archangel )
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Hermann's Pride' is small, but bold. Unlike the rampantly creeping variegated yellow lamium (Lamium galeobdolon 'Variegatum'), the lamium cultivar ‘Hermann’s Pride’ is a slow-growing, clump-forming treasure that grows like a small bush, beautiful in foliage (jagged, silvery, and green) and flower (brilliant yellow). Masses of flowers appear in late spring to early summer. While some may have trouble controlling this cultivar, it behaves meekly in harsh climates. -Sue Whetten, Regional Picks: Rocky Mountains, Fine Gardening issue #127

Lamium maculatum 'Anne Greenaway' Lamium maculatum 'Anne Greenaway'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Anne Greenaway' infuses the garden with excitement, with its bright chartreuse leaf margins. It grows up to 8 inches tall and 18 inches wide and is topped with lilac-mauve flowers in late spring. The stems root where they touch the soil, so it's easy to lift and transplant rooted stems to increase your stand. It makes a nice groundcover in a shady garden around ferns, hostas, heucheras, or geraniums.

Lamium maculatum 'Pink chablis' Lamium maculatum 'Pink chablis'
(Spotted deadnettles)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

‘Pink Chablis’ has pink flowers above silvery gray leaves edged with dark green. These trailing plants make fine ground covers or cascaders.

Larix decidua and cvs. Larix decidua and cvs.
(European larch)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A deciduous conifer with a pyramidal growth habit, European larch has pendulous lower branches. In spring, needles emerge a shiny chartreuse, turning to deep green by summer and to sunset gold in late fall. Cultivars include 'Pendula', a weeping cultivar; 'Fastigiata', a narrow and upright variety; and 'Pyramidalis'.

Lewisia cotyledon Lewisia cotyledon
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Lewisia cotyledon is an evergreen perennial of incredible beauty and well-balanced proportions. Fleshy leaves emerge in flat rosettes of spoon-shaped dark green leaves. Funnel-shaped flowers to 1 inch across are borne in compact panicles. The true species has candy-striped pink flowers. Hybrids bloom in shades from white to magenta.

Lewisia tweedyi Lewisia tweedyi
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen perennial has broad, lance-shaped mid-green leaves  to 4 inches long, tinted with purple and borne in basal rosettes up to 18 inches in diameter. Open, funnel-shaped, pink-to-cream flowers to 3 inches across appear once in early spring.

Liatris aspera Liatris aspera
(Rough gayfeather, Rough blazing star)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tuberous perennial has dense clusters of linear, rough leaves borne in basal tufts to 16 inches long. Dense spikes, up to 18 inches long, of button-like lavender-purple flowerheads are borne in late summer and early autumn. Blooms open from the top of the inflorescences downward.

Liatris spicata 'Kobold' Liatris spicata 'Kobold'
(Blazing star, Gayfeather)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar of a U.S. prairie plant offers the garden spikes of purple, fuzzy-looking flowers that open from the top down on plants up to 2 feet tall and 18 inches wide. The show starts in late summer and attracts butterflies and bees. Grow it in a moist meadow or border. The flowers are also beautiful in a vase.

Ligularia dentata 'Britt Marie Crawford' Ligularia dentata 'Britt Marie Crawford'
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In early spring, fleshy stems unfurl and are topped by rounded burgundy leaves. By June, this plant looks splendid, with upturned leaves and their rich purple undersides. 'Britt Marie Crawford' may wilt in the hot noonday sun, but soft shade soon revives it. At the start of summer, right golden daisy-like flowers bloom, contrasting boldly with the foliage. -Matt Griswold, Regional Picks: Northeast, Fine Gardening issue #127

Ligularia stenocephala 'The Rocket' Ligularia stenocephala 'The Rocket'
(Ligularia, elephant ear)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The aptly named ‘The Rocket’ is virtually indestructible if sited in damp shade. In spring, toothed green foliage unfurls to form an attractive mound. Flowering begins in midsummer when stalks packed with little buds rise up to 4 feet tall. Little golden daisies, opening from bottom to top, shoot upward like rockets to the sky.

Lilium 'Casa Blanca' Lilium 'Casa Blanca'
('Casa Blanca' Oriental lily)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Often used by florists and for weddings, 'Casa Blanca' lily has large, pure white, scented flowers.

Lilium 'Miss Lucy' Lilium 'Miss Lucy'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The first true double-flowering Oriental lily, this plant has delicate pinkish white blooms that open in July and August. They are as stunning in the mixed border as they are in the vase. Each bloom has 18 beautiful petals, making it unique among Oriental lilies.

Lilium 'Star Gazer' Lilium 'Star Gazer'
(Lily)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Often used by florists, 'Star Gazer' lily has bright crimson flowers with purple spots and dark edges. These lilies grow to about 3 feet tall, so they generally don't need staking.

no image available Lilium henryi × Lilium speciosum var. rubrum
(Orienpet lily)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The brilliant blooms of these hybrid lilies boast the fragrance of Oriental lilies and the vitality and large size of trumpet lilies but with “hybrid vigor”—more strength and disease resistance and a higher tolerance of extreme cold as well as hot and humid conditions than their parents. Plants can reach a height of up to 8 feet and are covered with an abundance of blooms from July to mid-August, when many lilies have already faded. Scores of hybrids are available with varying blooming time, fragrance, form, and color, including 'Anastasia', 'Catherine the Great', 'Scheherazade', and the ever-popular 'Leslie Woodriff'.

Linum lewisii Linum lewisii
(Blue flax)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Blue flax is a short-lived perennial with blue-green needlelike leaves on graceful 2-foot-tall stems. Satiny sky blue flowers, borne on wiry stems, appear in late spring, last through mid-summer, and open fully only on sunny days. Small rounded seedheads form in summer. 

Lobelia cardinalis Lobelia cardinalis
(Cardinal flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cardinal flower has reddish purple stems and lance-shaped, often glossy, bright green leaves tinged with bronze. Bold red spikes of tubular two-lipped flowers with reddish purple bracts appear in summer and early autumn.

Lobelia siphilitica Lobelia siphilitica
(Blue cardinal flower, Great blue lobelia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial has upright leafy stems. From late summer to mid-autumn, it bears dense spikes of light to bright blue tubular, two-lipped flowers with a more prominent lower lip.

no image available Lonicera japonica
(Japanese honeysuckle)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous, woody evergreen or semi-evergreen trailing vine has dark green leaves to 3 inches long. Tubular, two-lipped, fragrant white flowers are sometimes flushed with purple, aging to yellow. Blooms appear from spring to late summer. Flowers mature to blue-black fruit.

Lonicera sempervirens Lonicera sempervirens
(Coral honeysuckle, Trumpet honeysuckle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This woody, twining climber has two-lipped, tubular scarlet-orange flowers, yellow inside, in terminal whorls in summer and autumn. Bright red fruit appears in autumn.

Lonicera sempervirens 'Major Wheeler' Lonicera sempervirens 'Major Wheeler'
('Major Wheeler' honeysuckle vine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This remarkably-versatile vine will climb your highest trellis or create a carpet of red splendor on your garden floor. Wherever planted, Major Wheeler’s showy blooms are a magnet for hummingbirds and butterflies. -American Meadows

Lupinus Russell Hybrids Lupinus Russell Hybrids
(Russell lupine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Russell hybrid lupines are widely available and available in myriad colors. They produce spikes of pea-like flowers in early and midsummer on 30-36-inch plants.

no image available Luzula nivea
(Snowy woodrush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spreading evergreen perennial has clumps of grass-like deep green basal leaves. Tiny, brilliant white flowers borne in tight clusters appear in early summer and midsummer.

Lychnis coronaria and cvs. Lychnis coronaria and cvs.
(Rose campion, Crown pink, Mullein pink, Dusty miller)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Gray-green, spear-shaped leaves form a low, tidy, circular mound about 1 foot in diameter. This plant puts on a dazzling show of five-petaled magenta flowers on straight stalks about 2 feet high in mid-spring. 

Lysimachia clethroides Lysimachia clethroides
(Gooseneck loosestrife)
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous grower has attractive, smooth, narrowly oval pointed leaves are mid-green above, pale green beneath. Tiny saucer-shaped white blossoms are produced in dense, tapered terminal spikes, 4 to 8 inches long, that curve gracefully over and down, from July to September. Leaves turn to rich gold in autumn.

Lysimachia nummularia

Lysimachia nummularia


(Creeping Jenny, Moneywort)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Creeping Jenny is a  low-growing, rampant, evergreen groundcover with rounded leaves. In summer, it produces many cup-shaped, bright yellow flowers.

Lysimachia nummularia ‘Aurea’ Lysimachia nummularia ‘Aurea’
(Golden creeping Jenny, Moneywort)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden creeping Jenny is a  low-growing, rampant, evergreen groundcover with rounded, golden yellow leaves. In summer, it produces many cup-shaped, bright yellow flowers.

Lythrum salicaria Lythrum salicaria
(Purple loosestrife)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The showy purple spikes of purple loosestrife are attractive in the garden and along roadsides, but the plant's rampant spread has greatly reduced the ecological value of marshes by displacing native wetland vegetation such as cattails (Typha spp.) that wildlife uses as food or shelter. One mature plant can produce over 2 million seeds a year that are easily transported by the wind or water into wetlands. The seeds easily germinate, and no natural predator holds this plant in check. Even cultivars reported to be sterile can produce highly fertile seed if grown with other cultivars or wild loosestrife.

Marrubium incanum Marrubium incanum
(Horehound)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Horehound is a spreading perennial with scalloped, toothed, gray-green leaves, white-felted beneath, to 2 inches long. Small tubular flowers open in whorls in late spring, varying from tepid gray and pale lilac to greenish white.

Melampodium leucanthum Melampodium leucanthum
(Blackfoot daisy)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A native perennial shrub that grows to about 2 feet tall and wide and covers itself the whole season with honey-scented, white and yellow daisy flowers. The foliage is typical of the aster family. Plant en masse in a well-drained border or use in a rock garden. Blackfoot daisy can be short-lived.

Monarda didyma Monarda didyma
(Bee balm, Bergamot, Oswego tea)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bee balm, a clump-forming perennial, bears minty-scented scarlet, pink, or purple flowers in midsummer on branching, square stems. Leaves are aromatic as well. This native of eastern North America attracts hummingbirds and butterflies.

Myrica pensylvanica Myrica pensylvanica
(Northern bayberry, Bayberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This North American coastal native exhibits quiet beauty and an easy-going habit. It grows to 10 feet tall, and spreads slowly to form colonies with glossy, semi-evergreen aromatic leaves.  It looks equally at home as a hedge, in an herb garden, or in a natural meadow.

Myrrhis odorata Myrrhis odorata
(Sweet cicely)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This elegant fern-like herb has a mounding form and anise-flavored bright-green leaves. In late spring, it bears compound umbels of star-shaped white flowers, followed by shiny, ridged brown seeds.

Narcissus 'Rijnveld’s Early Sensation' Narcissus 'Rijnveld’s Early Sensation'
(Daffodil)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Narcissus ‘Rijnveld’s Early Sensation’ is a classic yellow trumpet-type daffodil and one of the earliest blooming. It can tolerate cold, snowy weather and it has a long blooming period. 'Rijnveld's Early Sensation' combines nicely with early crocuses and dwarf irises.

Nepeta × faassenii 'Walker's Low' Nepeta × faassenii 'Walker's Low'
(Catmint)
(11 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mound of lavender-blue flowers and aromatic, grayish green leaves up to 2 feet tall and 3 feet wide is great as edging or in a border, herb, or rock garden. It is an easy to grow, prolific bloomer that seems to be deer resistant. It blooms the whole summer and tolerates some shade. It also looks great with roses or on walls.

Nepeta × faassenii ‘Dropmore’ Nepeta × faassenii ‘Dropmore’
(Catmint)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar is a clump-forming perennial with toothed gray-green leaves and larger flowers than the hybrid. It flowers profusely and long, especially if sheared. The blue-purple flowers are small but abundant, and the foliage is aromatic.

Nepeta Little Trudy™ Nepeta Little Trudy™
(Catmint)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This new compact catmint, with the cultivar name 'Psfike', only reaches 8 to 10 inches tall and 12 to 16 inches wide, the perfect size for containers, bed edges, or other small nooks and crannies. It features the same silvery foliage and summer lavender blooms that we know and love, and thrives in full sun to partial shade and well-drained soil in Zones 4 to 9.

Osmunda cinnamomea Osmunda cinnamomea
(Cinnamon fern)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous fern bears shuttlecocks of lance-shaped, feathery pale green fronds. Separate, erect, narrow fertile fronds are cinnamon-brown in spring. Cinnamon fern is native to eastern North America.

Paeonia lactiflora Paeonia lactiflora
(Common garden peony)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This stunning herbaceous woodland peony has upright red-mottled stems and dark green leaves that are elliptic or lance-shaped with rough margins. It bears usually solitary, single creamy white to pale pink blossoms that are cup-shaped and elegant. The blooms measure 3 to 4 inches across and have pale yellow stamens. Like all peonies, the flowers are with us for too short a time. They are followed by beautiful seedpods.

no image available Paeonia obovata var. alba
(Japanese forest peony)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a beautiful addition to the garden from early spring until autumn. Red shoots with a crystalline dusting emerge in early April, followed by 5-inch-long, egg-shaped leaves that mature to a dark, reddish green. Each 18-inch stem bears a 2-inch-wide, chalice-like, single pure-white flower with yellow anthers and purple filaments. Mature seedpods open to reveal metallic-blue pea-sized fertile seeds and holly-berry red unfertilized seeds.

no image available Panicum amarum 'Dewey Blue'
(Bitter switchgrass, Switchgrass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A stunning, native dune grass, 'Dewey Blue' is perfect for coastal areas as well as inland gardens. Heat, drought, and humidity won't faze its noticeably graceful habit. This grass has exceptional blue foliage and a vigorous constitution. Airy, light beige flowers emerge in late summer and fall, persisting well into winter for a long season of interest. 'Dewey Blue' grows 4 to 5 feet tall and almost as wide.

Panicum virgatum 'Ruby Ribbons' Panicum virgatum 'Ruby Ribbons'
(Switch Grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Panicum Ruby Ribbons’ soft blue-green foliage emerges in the spring on upright, clumping plants. The foliage takes on a wine-red color in early summer, which intensifies as the season progresses. Flower heads appear in late summer, followed by ornamental seed heads, which, if left uncut, provide long-lasting winter interest.

no image available Panicum virgatum ‘Heavy Metal’
(Switch grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rhizomatous perennial grass has a narrowly upright, clumping form. Mid-green stems bear stiff, erect, blue-gray leaves to 24 inches long. Foliage turns yellow in autumn. Weeping panicles of tiny purple-green spikes appear in early autumn.

Papaver orientale 'Flamenco Dancer' Papaver orientale 'Flamenco Dancer'
(Poppy)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The 4- to 6-inch-wide blooms of 'Flamenco Dancer' poppy stand out in late spring and early summer with their true red color and fanciful fringes. It is a sport of the popular 'Turkenlouis'. After the flowers fade, this perennial will go dormant, so plant it near neighbors that will fill the vacancy.

Parrotia persica Parrotia persica
(Persian parrotia tree, Persian ironweed)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Parrotia persica has one of the most beautiful foliage displays, in addition to year-round eye appeal and ease of maintenance. Reddish-purple when unfolding in spring, the leaves are a lustrous dark green in summer, and yellow to orange or scarlet in fall. Leaves hold their color for a long period. Older branches and trunks develop an exfoliating gray, green, white, and brown color that is a welcome asset in the winter garden. It grows successfully in Zones 4 to 8, tolerates sun and partial shade, and is easy to transplant. Often, vegetatively propogated forms offer more reliable fall color.

Parthenium integrifolium Parthenium integrifolium
(Wild quinine, American feverfew)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Wild quinine bears lustrous foliage and long-lasting white flowers throughout the season, even in heat and drought. It is native to moist prairies, low meadows, and open woods from Massachusetts and Minnesota, south to Georgia and Arkansas.

Penstemon barbatus Penstemon barbatus
(Beardlip penstemon)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This erect perennial has basal rosettes and stems bearing lance-shaped mid-green leaves. The plant bears long panicles of scarlet or yellow flowers from early summer to early autumn.

no image available Penstemon clutei
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright perennial sports hanging, tubular bright-pink flowers to 1 inch across above serrated blue-green leaves. It blooms summer to fall.

Penstemon digitalis Penstemon digitalis
(Foxglove penstemon, Beard tongue)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous perennial bears elegant clusters of pure white flowers marked with purple or pale violet from early to late summer. Semi-evergreen basal rosettes and deciduous or semi-evergreen stems are also often marked reddish purple.

Penstemon digitalis 'Husker Red' Penstemon digitalis 'Husker Red'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Husker Red' is one of the few penstemons that does well in wet winters and hot, humid summers. Ruby-toned leaves appear in spring, followed in late spring and early summer by 3-foot-high stems adorned by panicles of white blooms.  The flowers attract bees, hummingbirds, and butterflies, but the plants are not magnets for deer or rabbits. In autumn and winter, songbirds feast on the seed. For a stunning display, plant 'Husker Red' in groups. -Chris Kelley, Regional Picks: Midwest, Fine Gardening issue #120

no image available Penstemon jamesii
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Tubular lavender-pink flowers with paler pink lobes are borne in late spring to early summer. The foliage is evergreen.

Penstemon palmeri Penstemon palmeri
(Palmer's penstemon)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A native of the Southwest, Palmer's penstemon sports sharp, prickly, gray leaves and thrives in the harsh conditions. Snapdragon-like pale pink flowers boom in late spring or early summer, and their sweet-honey scent attracts bumblebees. Toothed, sage green leaves skirt the upright stems for the rest of the gardening season.This perennial wildflower is one of the largest penstemons. It looks good in the back of a border or as a focal point, perhaps near a path where its fragrance can be enjoyed or in an informal grouping with other native penstemons and grasses, or with other plantss that have similar maintenance and water requirements. -Katie Nicolich, Plants to know and grow, Fine Gardening issue #120

no image available Penstemon strictus 'Bandera'
(Rocky Mountain penstemon, Stiff beard-tongue)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Rocky Mountain penstemon is an upright perennial that forms a mat of glossy green leaves from which arise straight, 2-foot-tall stems bearing rich purple blooms. It flowers in early June and occasionally throughout the summer. Blooms contrast nicely with yellow-blooming plants.

Perovskia atriplicifolia Perovskia atriplicifolia
(Russian sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The light, lavender-blue flowers, which attract butterflies to the garden, bloom in July, and often last throughout September. Russian sage is a particularly striking plant when grown along with white, yellow, or orange flowered perennials. Tones down bright yellow in the garden as well. Its silver-gray, deeply cut foliage and stiff stems are striking in the winter. -Santa Rosa Gardens

Persicaria amplexicaulis Persicaria amplexicaulis
(Bistort, Mountain fleece)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous, but noninvasive perennial flowers from early summer into autumn with bright red, purple, or white blossoms. The narrow blossoms are up to 4 inches long, and are held on long stalks above pointed, slightly puckered leaves. It grows to 4 feet high and wide.

Persicaria amplexicaulis 'Firetail' Persicaria amplexicaulis 'Firetail'
(Bistort, Mountain fleece)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous but noninvasive perennial flowers from early summer into autumn with crimson blossoms to 6 inches long. Its leaves are dark green, arrow-shaped, and slightly puckered. It grows to 4 feet high and wide.

Persicaria polymorpha Persicaria polymorpha
(Giant fleeceflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This massive herbaceous shrub needs a lot of room to show off its vase-shaped form, but it does not spread or self-sow like some of its relatives. It blooms close to the ground from June and continues throughout the summer atop 6-foot-tall stems. The large, white, astilbe-like blossoms fade to pink and then reddish-brown as the season comes to a close. 

Phlomis russeliana Phlomis russeliana
(Sticky Jerusalem sage)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

An unusual looking perennial from Turkey and Syria with hooded, pale yellow flowers encircling hairy stems. The flowers somewhat resemble Monarda. Leaves are aromatic and slightly fuzzy. P. russeliana reaches 3 feet tall and nearly as wide. Grow en masse in a border or near a warm wall.

no image available Phlox maculata
(Meadow phlox, Wild sweet William)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, herbaceous perennial has slender, hairy stems reaching 1.5 to 3 feet tall, with clusters of lavender-rose, lilac-pink, or white flowers. The stems often have burgundy spots on them. Blooms appear in early summer and midsummer.

Phlox paniculata Phlox paniculata
(Garden phlox, Perennial phlox)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sturdy, upright perennial reaches 2 to 4 feet tall. In July and August, and through September with deadheading, it bears flowers in shades of white, coral, pink, red, lavender, and violet, depending on the cultivar. Some have a lighter or darker eye, and others have variegated leaves. Many of the cultivars are fragrant; scent is most noticeable at night.

Phlox paniculata 'Barthirtythree' Phlox paniculata 'Barthirtythree'
(Volcano® Phlox Purple)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The Volcano® series of fragrant, abundantly-flowering, compact Phlox has been bred for high levels of natural disease-tolerance. This is wonderful news for Phlox fans, who until now have often had to deal with powdery mildew when growing other Phlox varieties. -Anthony Tesselaar Plants

Phlox paniculata 'David' Phlox paniculata 'David'
(Border phlox, Summer phlox)
(26 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This pure white phlox is valuable in the garden because of its abundant, fragrant flowers, its sturdy growth habit, and its resistance to powdery mildew. Growing to about 3 ½ feet tall and 2 to 3 feet wide, it blooms from early summer to early fall. It needs a consistently moist soil. Use it in a border or cottage garden. It will glow at dusk.

Phlox paniculata 'John Fanick' Phlox paniculata 'John Fanick'
('John Fanick' garden phlox)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This garden phlox has striking, bicolor lavender-and-pink flowers beginning in early summer and displays a pleasing compact form. Its slightly waxy leaves hold powdery mildew at bay, and the plant doesn't even flinch in heat, humidity, or drought. 'John Fanick' grows to 3 feet tall and 2 feet wide.

Physocarpus opulifolius 'Center Glow' Physocarpus opulifolius 'Center Glow'
(Ninebark)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This ninebark's new leaves unfurl a golden yellow and then mature to a rosy red-burgundy. Clusters of white blooms accompany the dramatic foliage in early summer, followed by bright red seedheads that fade to tan. 'Center Glow' is a fast grower and an ideal candidate for mixed borders or foundation plantings. It grows to 8 to 10 feet tall and almost as wide. In winter, the older stems have attractive peeling bark.

Physocarpus opulifolius 'Monlo' Physocarpus opulifolius 'Monlo'
(Diabolo® ninebark)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

With its upright, arching branches and dark chocolate to purple foliage, Diabolo® ninebark offers a color contrast with silver-leaved plants and makes a fine backdrop hedge. Clusters of button-like, pinkish white flowers appear in summer. Even when they fade to a tawny tone, they stand out nicely against the dark leaves. -Chris McKernan, Regional Picks: Lower Plains, Fine Gardening issue #120

Physocarpus opulifolius 'Seward' Physocarpus opulifolius 'Seward'
(Summer Wine ninebark)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Many gardeners know ninebark as an undistinguished shrub with ordinary green leaves, white flowers, and fall fruit. But 'Seward,' sold under the trademark name Summer WineTM, has outstanding burgundy leaves and pink flowers that bloom in early summer. This plant is super tough and makes a stunning focal point in a summer border.

Physocarpus opulifolius ‘Nugget’ Physocarpus opulifolius ‘Nugget’
('Nugget' ninebark)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The yellow to lime green foliage of 'Nugget' ninebark makes an interesting contrast with the exfoliating, cinnamon-colored bark. Clusters of white flowers appear along the stems in early summer, followed by dark brown seed capsules, which add winter interest. Unsheared, the plant has a vase-shaped growth habit. -David Graper, Regional Reports: Upper Plains, Fine Gardening issue #122

Physostegia virginiana Physostegia virginiana
(Obedient plant, False dragonhead)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Obedient plant is a clump-forming native perennial that grows aggressively. From midsummer to early fall, spikes of purple or pink (and sometimes white) flowers rise above sharply toothed leaves to four feet high.

no image available Picea pungens ‘Procumbens’
(Colorado blue spruce)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Procumbens' is similar to 'Pendula' in color but prostrate in habit, with cascading branches sometimes staying stiffly horizontal. Makes a spreading, undulating, mounding ground cover of silvery white needles.

Pieris japonica Pieris japonica
(Lily-of-the-valley bush, Japanese pieris, Japanese andromeda)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This neat, rounded shrub has given rise to many noteworthy cultivars. It grows to 12 feet tall and 10 feet wide, producing drooping clusters of delicate white blossoms in winter and spring. Use this shrub in a woodland, rock garden, container, or as a foundation plant.

no image available Pieris japonica 'Dorothy Wyckoff'
(Dorothy Wyckoff andromeda, Lily-of-the-valley bush, Japanese pieris, Japanese andromeda)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact, rounded shrub produces reddish-purple buds that first open as soft-pink then mature to white. It grows to about 5 feet high and wide, making it a superb specimen for a container or small garden.

Pinus densiflora 'Oculus Draconis' Pinus densiflora 'Oculus Draconis'
(Dragon's-eye Japanese red pine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This pine's needles are marked with bands of yellow and green. The buttery yellow variegation on the 3- to 5-inch needles is present year-round, but intensifies as summer turns to fall and persists into winter. The scaly, fissured bark is lovely, ranging in color from gray to rich rusty orange. This is a graceful tree when mature, with an irregular branching habit and tilted trunk.

no image available Pinus strobus 'Fastigiata'
(Eastern white pine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This robust evergreen tree has a narrowly columnar crown with ascending branches, slender gray-green leaves, and smooth gray bark. Tapered green female cones ripen to brown.

Podophyllum peltatum Podophyllum peltatum
(American mandrake, Mayapple)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Mayapple is a rhizomatous, native woodland perennial with leaves in the shape of an umbrella. They may form large colonies. In spring, white or pale pink waxy flowers are mostly hidden under the leaves. The greenish "mayapple" follows and is often eaten by wildlife. When fully ripe, the fruits may be used to make preserves or jellies, but they are toxic when unripe. Leaves and roots are poisonous. Plants often go dormant in the summer. Grow in a woodland garden.

Polemonium caeruleum Polemonium caeruleum
(Jacob’s ladder, Greek valerian)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This North American native bears deep blue or occasionally white, bell-shaped blossoms in spring and possibly late summer if deadheaded. It grows from 1 to 3 feet tall. Use Jacob's ladder in a lightly shaded border, rock garden, woodland, or cottage garden.

Polemonium caeruleum 'Brise d'Anjou' Polemonium caeruleum 'Brise d'Anjou'
(Variegated Jacob’s ladder, Greek valerian)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dramatic cultivar has bright green leaves that are richly edged with cream. It bears lavender-blue blossoms in spring, and grows from 1.5 to 2 feet tall.

no image available Polemonium reptans 'Stairway to Heaven'
(Greek valerian, Jacob’s ladder)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variegated cultivar offers white-edged leaves with pink tints on a compact plant to 1.5 feet tall. It bears light lavender-blue bell-shaped blossoms in spring.

Polygonatum biflorum Polygonatum biflorum
(Small Solomon's seal, Solomon's seal)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

From late spring into summer, this species bears tubular greenish-white flowers that dangle underneath the arching stems. The foliage is smooth; in autumn it turns to clear yellow, contrasting with the blue-black berries this plant produces. Its height varies wildly from 1.5 to 6 feet tall.

Polygonatum odoratum Polygonatum odoratum
(Fragrant Solomon’s seal, Solomon’s seal)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

From late spring to early summer, this species bears pendent, green-tipped white flowers along arching stems. These mature into spherical black fruit in autumn, when the foliage turns yellow.

Polygonatum odoratum 'Variegatum' Polygonatum odoratum 'Variegatum'
(Variegated fragrant Solomon's seal)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Gracefully arching 2 to 3-foot tall burgundy stems support narrow leaves streaked in pure white. From late spring to early summer, this species bears white flowers that mature into spherical black fruit in autumn, when the foliage turns a golden yellow. Variegated Solomon's seal is a fine choice for a shady bed. -Matt Griswold, Regional Picks: Northeast, Fine Gardening issue #27

Polystichum munitum Polystichum munitum
(Western sword fern)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Western sword ferns abound in the forests of the Northwestern U.S. They are robust, reliable, and virtually maintenance-free. They put up with difficult soil and manage to keep up appearances even in hot, dry weather. Their deep green, leathery fronds are attractive year-round.

Prunus virginiana 'Schubert' Prunus virginiana 'Schubert'
('Schubert' choke cherry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Schubert' choke cherry, with its vivid foliage and pyramidal form, makes a fine focal point. Ephemeral, light pink flowers are followed by abundant, dark red-purple fruit that birds love. (Don't plant it near patios or walks, as they'll quickly be covered by bird droppings.) If the tree you buy isn't grafted onto nonsuckering rootstock; otherwise, suckers could become problematic as the years go by. -Ron Smith, Regional Picks: Upper Plains, Fine Gardening issue #120

Pteridium aquilinum Pteridium aquilinum
(Bracken)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A native fern with triangular-shaped, stiff, upright fronds that can tolerate dry soil and full sun. Bracken can make very large colonies and are found in a variety of habitats ranging from dry and wet forests to meadows and bogs. They grow up to 4.5 feet tall.

Pulmonaria longiflora 'Bertram  Anderson' Pulmonaria longiflora 'Bertram  Anderson'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

‘Bertram Anderson’ is an older cultivar of lungwort with excellent foliage. In early spring, pink buds open to bright blue flowers, then silver-spotted leaves unfurl for a season-long show. Lungworts can have mildew problems, but ‘Bertram Anderson’ is highly resistant. When you cut off the old foliage in late winter, wear gloves; the tiny hairs all over the leaves (which keep the deer away) can irritate your skin. -Irvin Etienne, Fine Gardening #147 (October 2012), page 72

Pulmonaria saccharata 'Mrs. Moon' Pulmonaria saccharata 'Mrs. Moon'
(Bethlehem sage, lungwort)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cheerful, reliable plant brings a nice touch of color to the garden in spring. The leaves are pointed and hairy and splattered with silvery blotches. As the plant grows, the leaves overlap, creating a swirly pattern. In spring, clusters of silky pink flowers appear. They fade to a soft blue that harmonizes well with the leaf color. -Sue Whetten, Regional Picks: Rocky Mountains, Fine Gardening issue #127

Ratibida columnifera Ratibida columnifera
(Mexican hat, Prairie coneflower, Long-head coneflower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This perennial coneflower, sometimes grown as an annual, has a long season of flowers on thin, branching stems. The flowers resemble small hats, with yellow reflexed ray florets and large greenish-brown columnar centers.

Rhamnus frangula 'Asplenifolia' Rhamnus frangula 'Asplenifolia'
(Alder buckthorn)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A bushy, deciduous, slow-growing shrub with finely textured, scalloped leaves, this plant grows to 12 feet tall and almost as wide. 'Asplenifolia' bears clusters of green flowers, followed by round red fruit that ripens to black in the fall. Grow in a shrub border or as hedging. All parts may cause severe discomfort if ingested.

Rhododendron viscosum and cvs. Rhododendron viscosum and cvs.
(Swamp azalea, Sweet azalea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous azalea has dark green leaves and funnel-shaped white flowers suffused with pink. The flowers have a spicy, sweet fragrance. This plant blooms very late in the season, and sporadically throughout the summer. Cultivars include 'Delaware Blue’, ‘Pink and Sweet’, 'Lemon Drop’, 'Parade’, and ‘Lollipop’.

Rhus aromatica ‘Gro-low’ Rhus aromatica ‘Gro-low’
(Fragrant sumac)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous shrub hugs the ground (to 2 feet tall) and spreads out to 8 feet, making it an excellent choice for stablizing a bank or smothering weeds. It has small yellow flowers, hairy red fruits, and glossy leaves that change to gorgeous orange-red in autumn. 

Rhus typhina 'Tigereye Bailtiger' Rhus typhina 'Tigereye Bailtiger'
(Tiger eyes sumac, Staghorn sumac, Velvet sumac)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Lemon-lime foliage, fuzzy stems, and intense fall color make this sumac cultivar a standout. It grows into an upright, rounded form about 6 feet tall and as wide. New growth emerges chartreuse. Fall brings leaves of yellow, scarlet, and orange. Flowers are yellowish green and followed, on female plants, by hairy, dark red fruit. This plant spreads by suckers and can be invasive. The species is native to North America.

Robinia pseudoacacia 'Frisia' Robinia pseudoacacia 'Frisia'
(Golden locust)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large, fast-growing tree has droopy leaves that stay sunny yellow from spring until frost, spiny shoots, and fragrant white flowers in late spring and early summer on pendent racemes. The flowers are followed by smooth brown seed pods that are also interesting. 'Frisia' is one of the cultivars that is grown more for foliage than for its flowers and it does not flower as freely as the species.

Rosa 'Blanc Double de Coubert' Rosa 'Blanc Double de Coubert'
(Hedgehog rose, Ramanas rose, Japanese rose, Sea tomato)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The white of this rose has a purity of color that is without equal. It produces semi-double, very fragrant flowers from spring to fall, which are sometimes followed by orange hips. It grows to 6 feet high and wide.   

Rosa 'Cardinal de Richelieu' Rosa 'Cardinal de Richelieu'
(Rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the darkest-flowered roses from the oldest class of garden roses, the gallicas. 'Cardinal de Richelieu' is a strong grower with a compact, lax habit. The rounded, double, fragrant, deeply colored flowers are a deep burgundy-purple. They are in bloom from spring to early summer. Introduced in 1840.

Rosa 'Carefree Beauty' Rosa 'Carefree Beauty'
(Rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous, upright shrub rose sports smooth, olive-green leaves and clusters of cup-shaped, semi-double, fragrant, bubble-gum-pink flowers from spring to fall. Flowers are followed by round hips in shades of orange and red.

Rosa 'Charles Albanel' Rosa 'Charles Albanel'
(Hedgehog rose, Ramanas rose, Japanese rose, Sea tomato)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spreading rose grows to only 2 feet tall, making it an ideal groundcover for a steep bank or roadside. It produces fragrant, double, deep-pink blossoms from spring to fall.  

Rosa var. NOA83100B 'Flower Carpet® Scarlet' Rosa var. NOA83100B 'Flower Carpet® Scarlet'
(Flower Carpet® Scarlet)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Each bush is covered in a masses of scarlet red blooms from late spring thru fall. One of the new Next Generation Flower Carpet roses with improved heat and humidity tolerance and disease resistance.

Rosa 'Frau Dagmar Hastrup' Rosa 'Frau Dagmar Hastrup'
(Hedgehog rose, Ramanas rose, Japanese rose, Sea tomato)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This choice rose has single, gently cupped light-pink flowers that exude an intense, clove-scented perfume. It blooms in spring and sporadically throughout the season, and produces red hips. In autumn, the foliage turns deep maroon, which changes to yellow tinged with coppery highlights. It grows to 3 to 4 feet high and wide.   

Rosa 'Radrazz' Rosa 'Radrazz'
(Knock Out® rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Vibrant blossoms appear in spring and continue until frost. In fall, the dark green foliage and hearty stems are edged with red. -Judith Ireland, Regional Reports: Northeast, Fine Gardening issue #122

Rosa Home Run® Rosa Home Run®
(Home Run® rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rose is a proven All-Star! Home Run is absolutely, positively the best true-red rose with continuous blooms and top level disease resistance to both black spot and powdery mildew. It has a high level of tolerance to downy mildew as well. Plus it's heat tolerant, cold hardy and requires no deadheading. -Proven Winners

Rosa Pink Home Run® Rosa Pink Home Run®
( Pink Home Run® rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This beauty has all the great attributes of Home Run rose - continuous bloom, black spot and mildew resistance and heat tolerance - but with vivid, rich pink flowers. Just like Home Run it is early to flower and produces fresh flowers every day. -Proven Winners

Rosa rugosa 'Agnes' Rosa rugosa 'Agnes'
('Agnes' rugosa rose)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Agnes'  is one of the few yellow rugosa roses, and it epitomizes the finest rugosa attributes in both leaf and overall form. Doubled blooms give this selection an old-fashioned aspect, as does its delightful fragrance, which is reminiscent of antique roses. Bloom color changes somewhat with the temperature: in cool temperatures, the flowers are an apricot hue, but as the weather warms, they turn a soft yellow. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa 'Dart's Dash' Rosa rugosa 'Dart's Dash'
('Dart's Dash' rugosa rose)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Though not very well known, 'Dart's Dash' is  one of the best of the crimson double rugosa roses. 'Dart's Dash' has large blossoms with the spicy scent typical of rugosas and when blooming is done, the plant puts forth a marvelous display of showy hips. It establishes itself quickly and is a fine choice for a low hedge. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa 'Foxi' Rosa rugosa 'Foxi'
('Foxi' rugosa rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, open, semi-double pink flowers with yellow stamens and an intoxicating scent make 'Foxi' an outstanding rugosa rose. The relatively small height of the shrub makes the blossoms appear larger. This is a relatively new rugosa rose. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa 'Henry Hudson' Rosa rugosa 'Henry Hudson'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Henry Hudson' has flattened, symmetrical, semi-double, white flowers with a spicy clove scent. The dense and deep green foliage makes a fitting backdrop for this selection's reddish buds and ensuing cream-colored flowers. The blossoms don't drop cleanly, so deadheading is necessary. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

no image available Rosa rugosa 'Linda Campbell'
('Linda Campbell' rugosa rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Linda Campbell' is an unscented, true red rugosa rose. Attractiv, smooth-leaved glossy foliage and clusters of elegant buds open to bright blossoms. It grows in an upright habit  and makes a very nice addition to the back of a hot-color border. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa 'Polar Ice' Rosa rugosa 'Polar Ice'
('Polar Ice' rugosa rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Polar Ice' is one of the most vigorous and densely growing rugosa roses and features clusters of double, slightly nodding flowers. Green buds open to creamy white blooms with pink petals and deeper pink centers. The flowers smell lightly of baby powder, and the new lime green foliage smells like strawberries and sweet grass. In autumn, the foliage turns bright yellow. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa 'Purple Pavement' Rosa rugosa 'Purple Pavement'
('Purple Pavement' rugosa rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Purple Pavement' has large, ruffled blossoms with a  purple-red color and strong fragrance. In the fall, the blossoms give way to large, handsome hips, and the foliage turns from green to shades of yellow and maroon. This shapely shrub with dependable repeat bloom it is especially good for a late display, when the hips appear alongside fall asters and other perennials with assertive autumn colors. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa'Wasagaming' Rosa rugosa 'Wasagaming'
('Wasagaming' rugosa rose)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Wasagaming' (pronounced "wah-SAG-ah-ming") is a prolific bloomer that has the charm of the antique roses but with greater vigor and better growth habit. Cascading rich pink blossoms with an old-rose scent spill across the shrub. 'Wasagaming' will thrive in less sunny but bright conditions. -Suzanne Verrier, No muss, no fuss rugosa roses, Fine Gardening issue #121

Rosa rugosa var. alba Rosa rugosa var. alba
(Hedgehog rose, Ramanas rose, Japanese rose, Sea tomato)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variety has single, papery white blossoms that open from light pink buds and have contrasting yellow stamens. The heavily-scented flowers are followed by reddish-orange hips. It grows up to 6 feet high.

no image available Rubus strigosus
(American red raspberry, Grayleaf red raspberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native species flowers in summer, producing edible fruits and leaves suitable for making tea. It naturalizes in thickets, and grows well in wild areas in full sun or dappled shade.

Rudbeckia fulgida var. sullivantii 'Goldsturm' Rudbeckia fulgida var. sullivantii 'Goldsturm'
(Orange Coneflower, Black-eyed Susan)
(12 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large flowers consisting of brassy orange-yellow rays surrounding brown cones are what make this plant so popular. It blooms for 7 or 8 weeks beginning in midsummer. The flowers top 18- to 30-inch-tall plants that will readily self sow in cultivated soils. 

Rudbeckia hirta Rudbeckia hirta
(Black-eyed Susan, Gloriosa daisy, Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This biennial or short-lived perennial has given rise to numerous cultivars which are often grown as annuals. From summer into early autumn, it bears daisy-like blossoms (to 3 inches across) with light or deep yellow rays and brownish-purple centers. The flowers are a staple in late summer bouquets.

Rudbeckia hirta ‘Indian Summer’ Rudbeckia hirta ‘Indian Summer’
(Black-eyed Susan, Gloriosa daisy)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Indian Summer' is a standout among a sea of Black-eyed Susans because of its extra-large, golden yellow flowerheads. It will bloom from early summer until first frost. Use it in borders, cottage gardens, meadows, or for naturalizing. Butterflies are drawn to it. The species is native to the central U.S.

Rudbeckia maxima Rudbeckia maxima
(Giant coneflower, Black-eyed Susan)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This choice species makes a strong vertical statement with its large, smooth, sea-green leaves and towering stems to 6 feet tall. It bears short, yellow ray florets with giant, upright cones at the center. It prefers average soil with good drainage, and is excellent in native or wild plantings.

Rudbeckia subtomentosa Rudbeckia subtomentosa
(Sweet coneflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dignified U.S. native species has downy leaves and bears clusters of luminous clear-yellow flowers with reddish-brown center cones. It blooms for over a month starting in mid- to late-summer.

Rudbeckia subtomentosa 'Henry Eilers' Rudbeckia subtomentosa 'Henry Eilers'
('Henry Eilers' sweet coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The unique, finely quilled, 2-inch-wide flowers are what make 'Henry Eilers' stand out from the rest of the coneflowers. The petals sit separate from one another, forming a brilliant, golden yellow starburst around a dark brownish purple cone. The blooms grow on strong, upright, 4- to 5-foot-tall stems in late summer, and are produced in such abundance that you can cut some for bouquets and you'll never even notice they are missing from the garden. The stems are covered with a soft, hairy down, while the leaves have a pleasing vanilla-and-anise scent.

no image available Rudbeckia triloba
(Brown-eyed Susan, Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This biennial makes a superb, self-sown companion in a mixed border or wild garden. It reaches up to 5 feet tall and exhibits a long-lasting, airy spray of small, daisy-like blossoms in yellow with purple-black centers. The flowers are beautiful in late summer bouquets. 

Salvia pratensis Salvia pratensis
(Meadow clary)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This woody-stemmed perennial produces sticky spikes of deep violet or, rarely, white to pink flowers. It blooms from early summer to autumn; reblooming is most reliable if spent flowers are deadheaded promptly. It has wrinkled leaves and forms an upright clump 3 feet tall by 1 foot wide. This salvia is most noted for its many hybirds with S. nemerosa.  

Sambucus canadensis Sambucus canadensis
(American elder, Elderberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A familiar native shrub, American elderberry is commonly seen along streambanks and roadsides and in moist woodlands and thickets throughout eastern North America. It has pinnate leaves with toothed leaflets and small white flowers borne in large flattened clusters in summer. Purple-black, round fruit comes next, attracting wildlife to the garden. Elderberries typically grow to about 12 feet high, but they tolerate pruning to a smaller size. Fruit is edible when cooked.

Sambucus racemosa ‘Sutherland Gold’ Sambucus racemosa ‘Sutherland Gold’
(European red elder, Golden elderberry)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This choice specimen has a graceful habit with finely divided golden foliage that emerges as bronze. It is less susceptible to sun scorch than the other gold varieties. It bears creamy white flowers that mature into red fruits. 

Saruma henryi Saruma henryi
(Upright wild ginger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Saruma henryi is as sublime as it is uncommon. Its velvety leaves and distinctively shaped, soft yellow flowers make it a superb specimen in a shady border, where it can contrast with more finely textured plants.

Scabiosa ‘Butterfly Blue' Scabiosa ‘Butterfly Blue'
(Pincushion flower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This Scabiosa cultivar is a compact perennial with gray-green leaves and a long bloom period featuring pretty lavender-blue flowers that look like pincushions surrounded by frilly petals. It's nice when used as edging or in large groups in borders or rock gardens.

Schizachyrium scoparium Schizachyrium scoparium
(Little bluestem, Prairie beard grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Little bluestem is a tidy, finely textured clumping grass with a blue-green summer color. Its silvery seed heads rise to a height of nearly 2 feet in late summer and are at their best when backlit in the morning or afternoon sun. In fall, the grass turns a rosy rust color that lasts all winter.

Sedum 'Postman's Pride' Sedum 'Postman's Pride'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Postman's Pride' sedum is a wonderful dark-foliaged plant for sunny, dry locations. It has a semi-upright habit and produces masses of red to purple flowers from late summer through fall. The flowers attract honeybees and butterflies. Like other sedums, 'Postman's Pride' is useful in rock and xeriscape gardens because, once established, it thrives without irrigation except during severe droughts. Curious about the cultivar name? This plant was discovered by a Belgian postal carrier in his garden. -Ron Smith, Regional Picks: Upper Plains, Fine Gardening issue #120

Sedum ‘Autumn Joy’ Sedum ‘Autumn Joy’
(Stonecrop)
(13 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is as dependable and adaptable as they come. Its flowers bloom from August into November; they open pink and mature to a copper befitting of autumn. It is 2 feet tall and wide, with succulent stems and leaves. 'Autumn Joy' looks great with ornamental grasses.  

Sedum kamtschaticum Sedum kamtschaticum
(Stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tough, drought-tolerant species has glossy deep green leaves and, in early summer, half-inch golden yellow flowers that open from pink buds. It grows to about 6 inches tall and a little wider and makes a good groundcover. 

Sedum kamtschaticum 'Variegatum’ Sedum kamtschaticum 'Variegatum’
(Stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variety is more compact than the species, and its leaves are variegated with creamy margins. In late spring to summer, its star-shaped yellow flowers open from pink buds and mature to crimson. It grows to just 4 inches tall and 12 inches wide.

Sedum kamtschaticum 'Weihenstephaner Gold' Sedum kamtschaticum 'Weihenstephaner Gold'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-growing sedum has dependable, dark bronzy green foliage and prolific flowering. New spring growth is a welcome, cheerful red. Prolific, star-shaped flowers are golden yellow with pinkish orange overtones and cover the plant twice during the growing season. Plants grow to just 2-4 inches tall and 10 inches wide.

Sedum spectabile Sedum spectabile
(Showy stonecrop, Everlasting)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

An upright species to 18 inches tall and wide, this plant bears pink flowers in August that persist into fall. Thick, almost succulent leaves are bluish green. S. spectabile was crossed with S. telephium to create the very popular 'Autumn Joy.'

Sedum spurium 'Fuldaglut' Sedum spurium 'Fuldaglut'
(Two-row stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mat-forming species forms a carpet of rosy-red flowers in late July and August, contrasting against green leaves with bronzy-maroon highlights.

Sedum telephium 'Matrona' Sedum telephium 'Matrona'
(Stonecrop)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This choice cultivar boasts domed clusters of starry, pale-pink flowers with dark-tipped stamens. The foliage is medium blue-green, overlaid by tints of burgundy and stormy gray. The rich red stems reach up to 3 feet tall.

Sempervivum 'Black' Sempervivum 'Black'
('Black' hens & chicks)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hens & chicks are always a welcome sight, and this exciting 'Black' variety is a newer take on the old favorite.

 Sempervivumarachnoideum 'Forest Frost'

 

Sempervivum arachnoideum 'Forest Frost'
('Forest Frost' spiderweb hens & chicks)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hens & chicks make a charming addition to any container, rock garden, or footpath. This 'Forest Frost' spiderweb variety is extra special for its deep green color and the cottony web that hangs taught between the points of its rosettes.

Smilacina racemosa Smilacina racemosa
(Solomon's plume, False Solomon's seal)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This shade-loving perennial produces plumes of creamy white blossoms in spring, followed by mottled yellowish-green berries that turn to deep red. The fragrant, ivory white blossoms occur on the ends of arching branches, distinguishing them from true Solomon's seal (Polygonatum). The plant grows to 3 feet high and 2 feet wide.

no image available Solidago caesia
(Goldenrod, Wreath goldenrod, Blue-stemmed goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In early autumn, this species produces elegant, wand-shaped flowerheads atop wiry stems with blue-green, linear leaves. It is found in open woods and along woodland edges, and prefers some shade. It responds well to rich soil, but can tolerate dry soil also. 

Solidago cutleri 'Goldrush' Solidago cutleri 'Goldrush'
(Goldenrod, Alpine goldenrod, Cutler's alpine goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Goldrush' heralds the coming of fall with masses of tiny, yellow flowers for four weeks in August and September. Its compact size—about a foot tall—makes it a great candidate for a rock garden or border edge.

Solidago flexicaulis Solidago flexicaulis
(Goldenrod, Zigzag goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species is aptly named for its distinctive crooked stems that bend back and forth at 45° angles between nodes. It bears starry, medium-yellow flowers atop 1- to 3-foot tall stems. 

Solidago juncea Solidago juncea
(Goldenrod, Early goldenrod, Yellow top)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is the first goldenrod to bloom, featuring bright yellow, plume-like panicles in midsummer. It has dark green leaves along reddish stems, which form a vase-shaped clump when mature. 

Solidago nemoralis Solidago nemoralis
(Goldenrod, Gray goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the smallest species of goldenrod, topping out at only 4 to 6 inches high in poor soils, and 2 feet high in fertile soils. It is considered a garden-worthy species, with gray-green leaves that form clumps and languid, one-sided yellow plumes. It is tolerant of both sandy and clay soils.

Solidago rigida Solidago rigida
(Goldenrod, Stiff goldenrod)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This lovely goldenrod has velvety leaves that are gray-green in summer and dusky rose in autumn. It has broad, flattened clusters of rich yellow flowers, which create a striking display on stems 2 to 5 feet tall.

no image available Solidago rugosa
(Goldenrod, Rough-stemmed goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has open, tree-shaped flower clusters that radiate out like a fountain. It has given rise to S. rugosa 'Fireworks'.  It can grow to 7 feet tall and blooms in mid- to late autumn.  

no image available Solidago speciosa
(Goldenrod, Showy goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This garden-worthy species has dramatic, bright yellow flowers that are arranged into erect, pointed clusters. It has deep reddish stems that grow to 3 feet tall. It blooms in late summer and early autumn.

Solidago sphacelata 'Golden Fleece' Solidago sphacelata 'Golden Fleece'
(Goldenrod, Creeping goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This outstanding cultivar forms a neat, 1-foot tall groundcover. It has dense, branched panicles that splay upward and outward whimsically, resembling a mass of elegantly bunched bouquets. 

Sorbaria sorbifolia Sorbaria sorbifolia
(False spirea)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

If you like plants that stay in tidy, little assigned corners, this is not the plant for you. But if you have a large space to fill and love plants with attitude, this is your baby. False spireas form large masses of arching branches that are covered with green pinnate leaves. Billowy white sprays of flowers appear in mid- to late summer. Mature plants spread where you let them. There is a wide range of closely related species and selections, but there’s not much difference between them.

Sorghastrum nutans 'Indian Steel' Sorghastrum nutans 'Indian Steel'
(Indian grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden yellow plumes and a vase-like form give 'Indian Steel' a refined look. On the flower spikes, bright yellow pollen sacs stand out against the darker seed heads. Metallic blue foliage morphs to a coppery tan shade after frost. 'Indian Steel' tolerates a range of soil types, including heavy clay. -Scott Vogt, Native grasses, Fine Gardening issue #124

Spiraea fritschiana Spiraea fritschiana
(Fritsch spirea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

If you want a summer-flowering shrub with great fall color, look no further. Fritsch spirea jumps out with a striking red, orange, and yellow glow even brighter than the fall color of oaks and maples. It has coarser foliage than others in the genus, and if sheared back in spring, it produces giant summer blooms.

Spiraea japonica 'Alpina’ Spiraea japonica 'Alpina’
(Japanese spirea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-growing, clump-forming shrub has a spreading habit, reaching 10 inches tall. Slender branches spread across the ground. Foliage is light blue-green to 1 inch long. In late June, this plant bears clusters of pink flowers; bloom continues into September if deadheaded.

Spiraea nipponica ‘Snowmound’ Spiraea nipponica ‘Snowmound’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fast-growing, upright specimen has very attractive small, blunt, dark blue-green leaves and arching branches. Bowl-shaped, pure white flowers are borne midsummer in large numbers. They attract butterflies. 

Spiranthes cernua 'Chadds Ford' Spiranthes cernua 'Chadds Ford'
(Ladies’ tresses)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous, terrestrial orchid has linear, acute leaves 2 to 10 inches long. At summer's end, it produces sweet, vanilla-scented, 1- to 3-foot spires of white flowers that last for weeks and hold up well as cut flowers.

Sporobolus heterolepsis Sporobolus heterolepsis
(Prairie dropseed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The finely textured, green leaves of this slow-growing, clump-forming perennial turn golden yellow in autumn. It bears cloudy panicles of fragrant, pale-pink to tawny flowers 5 to 10 inches long in late summer, reaching 3 feet tall.

Stachys byzantina and cvs. Stachys byzantina and cvs.
(Lamb's ears, Woolly betony)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mat-forming perennial has rosettes of furry, silvery-gray leaves to 4 inches long. In summer, it bears gray spikes tipped with tiny, pink-purple or violet flowers. This plant crowds out weeds. 'Silver Carpet' is a non-flowering cultivar. 'Big Ears' has 8- to 12-inch-long, grayish-white felted, mid-green leaves.

Stephanandra incisa ‘Crispa’ Stephanandra incisa ‘Crispa’
(Cutleaf stephanandra, Lace shrub)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This decidous, thicket-forming shrub has attractive wavy-margined leaves that resemble maple leaves and have good orange-yellow fall color. Cutleaf stephanandra grows to less than 2 feet tall but spreads by suckering. Flowers are unremarkable at a distance, but attractive close-up. In winter, the rich brown, arching shoots draw the eye.

Symphoricarpos × chenaultii ‘Hancock’ Symphoricarpos × chenaultii ‘Hancock’
(Chenault coralberry, Snowberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Chenault coralberry is an undemand­ing workhorse. This 2-foot-tall shrub spreads about 10 feet without causing any trouble. It does an excellent job of covering ground and smothering weeds while elim­inating erosion. In late summer, small pink flowers appear and are followed by rosy red fruit.

no image available Symphoricarpos × doorenbosii 'Kordes'
(Amethyst coralberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hybrid produces vivid deep purple-pink fruit from late summer on. It forms a thicket (which may be sheared) 3 to 5 feet high and wide. 

no image available Symphytum 'Hidcote Blue'
(Hidcote comfrey)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This prolific cultivar has dark green foliage and bears nodding blue flowers from mauve buds. It grows to a compact height of 18 inches tall. It may become invasive and difficult to eradicate once established.

Syringa × laciniata Syringa × laciniata
(Cut-leaf lilac)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This graceful hybrid produces fragrant, pale lilac flower clusters up to 4 inches long in late spring. The difference this lilac offers is its airy, finely textured foliage. It forms a spreading shrub 6 feet to 8 feet tall and wide.

Syringa pubescens ssp. microphylla 'Superba' Syringa pubescens ssp. microphylla 'Superba'
(Littleleaf lilac)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fragrant cultivar bears single rose-pink flowers in midseason, which often rebloom in late summer or autumn. It forms a shrub 6 feet high by 10 feet wide. 

Tanacetum parthenium Tanacetum parthenium
(Feverfew)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Feverfew is a short-lived, bushy perennial that has become naturalized in much of North America. It has fragrant, ferny foliage and composite white flowers with yellow centers. It is often grown as an annual. The cultivar 'Aureum' has a dwarf habit, smaller flowers, and golden aromatic foliage. Other cultivars have double flowers, yellow flowerheads, or pompom-like flowerheads.

no image available Thuja occidentalis 'Bobazam'
(American arborvitae, Eastern arborvitae, White cedar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen shrub with finely textured sage green foliage forms a perfect, 3-foot-diameter, slow-growing globe, hence its name, Mr. Bowling Ball®.

Thuja occidentalis 'Emerald' Thuja occidentalis 'Emerald'
(American arborvitae, Eastern arborvitae, White cedar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar is a compact, evergreen, pyramidal tree that retains its glossy, bright green foliage throughout the year, making it a valuable hedge plant or specimen.

Thymus 'Pink Ripple' Thymus 'Pink Ripple'
(Thyme)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In early- to mid-summer, this mat-forming thyme erupts with masses of 6-inch-high spikes covered with pink flowers. The light green, tiny foliage, hugging the ground in mats, has a pleasing lemon fragrance when crushed. This plant shines when spilling over stone walls or between the cracks in paving stones, where passersby can tread on the leaves and release the lemony scent.

Thymus × citriodorus 'Argenteus' Thymus × citriodorus 'Argenteus'
(Silver thyme, Lemon-scented thyme)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is an elegant addition to an herb or ornamental garden. It has lemon-scented green leaves edged in silver and produces lilac flowers in early summer.

Thymus serphyllum 'Annie Hall' Thymus serphyllum 'Annie Hall'
(Mother of thyme, Wild thyme, Serpolet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Annie Hall' forms a prostrate mat with small, narrow leaves and is covered with pale purple-pink flowers in late spring. Plants can grow to 10 inches tall and 18 inches wide.

Thymus serpyllum 'Pink Chintz' Thymus serpyllum 'Pink Chintz'
(Mother of thyme, Wild thyme, Serpolet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

One of the first thymes to flower each year, this charming and reliable cultivar bursts into bloom in early spring with unique salmon-pink flowers. Its fuzzy olive-green foliage forms a mat 1 to 2 inches tall and 18 inches wide. It is one of the most tolerant of thymes of dry conditions, but grows robustly with plenty of water.

Tiarella 'Black Snowflake' Tiarella 'Black Snowflake'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming variety has very dramatic, deeply cut foliage with wide black veins that looks like a black snowflake when new. The dark color is more pronounced in cool weather. Plants produce a profusion of starry white flowers on numerous spires up to 12 inches high and grow to about a foot wide. Tiarellas are at home in moist woodland environments. In the garden they make wonderful carpets of intricate leaves. For a long period from spring into summer, the profusion of foamy flowers can be appreciated up close or from a distance. Grow 'Black Snowflake' as a groundcover or edger in a shady border or woodland garden. It is a great foil to early spring bulbs.

Tiarella 'Dark Eyes' Tiarella 'Dark Eyes'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This running cultivar has notably large light-pink flowers that appear in spring and then rebloom. It has a compact habit with maple-like leaves marked with burgundy centers. Foliage turns bronze in the fall. Plants grow to about 14 inches tall and slightly wider.

Tiarella 'Heronswood Mist' Tiarella 'Heronswood Mist'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The leaves of this clump-forming variety look as if they have been dusted by a fine mist of pink, cream, and green. It is a rebloomer, and in spring it  produces a profusion of fragrant light pink flowers on spires that can reach 15 inches, rising above the foliage which grows to about 6 inches tall and wide.

Tiarella 'Mint Chocolate' Tiarella 'Mint Chocolate'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming variety has unusually long, maple-shaped leaves with a chocolate-colored overlay. It is topped in spring by 16-inch spires of pink buds which yield to wispy, starlike ivory flowers. Plants rebloom lightly, so they can flower from spring to mid-summer. 'Mint Chocolate' grows to about 16 inches tall and a foot wide.

Tiarella 'Neon Lights' Tiarella 'Neon Lights'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming variety has exquisitely textured, bright green maple-like leaves emblazoned with chocolate centers. In spring, its large pink-kissed-white flowers rebloom lightly on 16-inch stalks. Leaf coloration is best in cool weather. Plants grow to about a foot wide.

Tiarella 'Spring Symphony' Tiarella 'Spring Symphony'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This reblooming, clump-forming variety blooms in spring, producing 15-inch spires densely packed with pink blossoms. Its deeply cut foliage is compact, with black markings along the midrib. Plants grow to about 10 inches tall and wide. 

Tiarella 'Starfish' Tiarella 'Starfish'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A good choice for winter color, this clump-forming variety is often grown for its long lasting, pink-budded white flowers that appear in late spring on 12-inch spires. Its star-shaped leaves are marked with burgundy and, in mild climates, turn bronze in winter. Plants grow to about 1 foot tall and wide.

Tiarella cordifolia Tiarella cordifolia
(Eastern foam flower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native North American species has pale green heart-shaped leaves which develop bronze highlights in the autumn. In summer, it produces a profusion of starry white flowers on 4- to 12-inch spikes. It self-sows freely.

no image available Tiarella wherryi 'Oakleaf'
(Foam flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar of the North American species has reddish, deeply lobed, oak-like leaves that mature to dark green with burgundy splashes. From late spring to early summer it produces a profusion of starry pink flowers for up to 8 weeks. Plants grow to about 18 inches tall and wide.

Tilia americana Tilia americana
(American linden, Basswood)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous tree with dense foliage and a stately habit produces hanging clusters of fragrant yellow flowers in mid-summer. It grows in a broadly columnar shape and has dark green leaves that are glossy underneath. Basswood makes a good specimen or street tree, although it doesn't tolerate pollution. It can grow as tall as 80 feet with a width of 50 feet. It attracts bees; basswood honey is a sought-after gourmet food.

Tricyrtis hirta Tricyrtis hirta
(Toad lily)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The star-like blossoms of this species are white with rich purple spots and purple stigmas. It blooms in late summer to mid-autumn along arching stems up to 2.5 feet tall. 

Tsuga canadensis Tsuga canadensis
(Canada hemlock)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This North American native grows to 70 feet tall, with a broadly pyramidal outline. It has deeply furrowed bark, small, oval cones, and slightly drooping branchlets with finely textured needles. It is suitable to a wide variety of uses, such as hedging or screening, and group or specimen plantings. It has given rise to a number of notable cultivars.

Tsuga canadensis 'Pendula' Tsuga canadensis 'Pendula'
(Sargent's weeping hemlock, Eastern hemlock)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hemlock cultivar makes a very beautiful specimen, slowly forming a 10- to 15-foot-tall and 30-foot-wide, multi-layered mound of greenery. Its horizontally speading branches are covered with smaller weeping branches clothed in short, dark green needles. It looks great growing over a rock wall, in a rock garden, or by water. Its size may be controlled by regular clipping.

Vaccinium corymbosum Vaccinium corymbosum
(Highbush blueberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Highbush blueberry provides four seasons of fanfare, starting with twisted, peeling stems in winter; profuse white or pink blossoms in spring; savory blue fruit in summer; and long-lasting foliage the color of a rich red wine in fall. The maroon to scarlet fall shades are effective for a solid month or more, as the leaves (especially in full sun) are reluctant to fall. The best fruit set occurs when you plant at least two cultivars that will bloom concurrently to ensure cross-pollination.

no image available Verbascum densiflorum
(Dense-flowered mullein, Large-flowered mullein)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This biennial or short-lived, semi-evergreen perennial forms rosettes of leaves densely covered with grayish-yellow hairs. In summer, its bright-yellow or occasionally white blossoms flower along erect, branching stalks up to 5 feet high. It has naturalized in regions of the U.S.

Veronica longifolia 'Sunny Border Blue' Veronica longifolia 'Sunny Border Blue'
(Speedwell)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fine Veronica was the Perennial Plant of the Year in 1993. From early summer to frost this upright cultivar forms branched spikes (to 7 inches long) of dark violet-blue flowers. It has glossy and crinkled dark green leaves, and grows to less than 2 feet tall. It is a fine choice for adding long-season color to a mixed border.

no image available Veronica pectinata
(Blue woolly speedwell, Woolly speedwell)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dense, mat-forming species has 3-inch-tall evergreen foliage with toothed gray leaves. Its saucer-shaped flowers are deep blue with white eyes, and they bloom from early spring to summer. It is drought tolerant and makes a good groundcover. In garden sites, it needs protection from winter moisture.

Veronicastrum sibiricum Veronicastrum sibiricum
(Culver's root)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has multiple 5- to 7-foot-tall, tapering spikes of pinkish-lavender flowers from summer to fall. They look like elegant, living candelabras and add a vertical accent to the back of a mixed border or wild garden.

Veronicastrum virginicum Veronicastrum virginicum
(Culver's root, Bowman's root)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has multiple tapering, soft spikes of white to pale pink or bluish purple flowers that look like elegant, living candelabras. The blooms reach 4 feet or more, adding a vertical accent to the back of a mixed border or wild garden from mid-summer to early autumn. Plants spread to about 3 feet.

Viburnum plicatum f. tomentosum Viburnum plicatum f. tomentosum
(Doublefile viburnum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Doublefile viburnum is a horizontally branched, deciduous shrub native to China and Japan. Along its branches in mid-spring bloom double rows of flattened clusters of sterile florets, resembling lace-cap hydrangea flowers. Oval red fruit follows and ripens to black, often attracting birds.

Viburnum prunifolium Viburnum prunifolium
(Blackhaw Viburnum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Blackhaw Viburnum is a large shrub or small tree with clusters of creamy white flowers followed by pink-rose berries, which birds love to eat. Its distinctive bronze-green foliage on reddish purple stems turns blue-black in the fall. Blackhaw grows to 12 to 15 feet high and 8 to12 feet wide.

Viburnum trilobum Viburnum trilobum
(American cranberry bush)
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous, rounded shrub grows to 15 feet tall with maple-like, lobed, dark green leaves that turn shades of red, yellow, and purple in autumn. White flowers resembling lace-cap hydrangeas bloom in spring and are followed by abundant red fruit loved by birds. Grow in a woodland garden or border, or as a wildlife plant.

Viburnum trilobum 'Bailey Compact' Viburnum trilobum 'Bailey Compact'
(American cranberry bush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-key, trustworthy shrub is perfect for the back of the border, where its dense form will create a nice backdrop for showier summer plants. Come fall, however, it stands out with deep burgundy foliage and large, bright red berries. Birds don't like the fruit, so the berries often persist well into winter. 'Bailey Compact' is a dwarf version of this normally 20-foot-tall shrub.

Vinca minor 'Illumination' Vinca minor 'Illumination'
(Common periwinkle, creeping myrtle)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Like other creeping myrtles, 'Illumination' is a tough evergreen ground cover for shade that will grow in almost any soil. Its hallmark is its bright gold leaves that are edged with a border of irregular green. Periwinkle-blue flowers appear in spring. Use 'Illumination' as a shade ground cover or in hanging baskets. -Tom Nelson, Regional Picks: Northern California, Fine Gardening issue #127

Viola ‘Etain’ Viola ‘Etain’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A hardworking, compact perennial, ‘Etain’ violet forms well-behaved clumps and blooms from time to time from spring through fall. The attractive, fleshy, bright green foliage needs protection from slugs. -Sylvia Matlock, Regional Picks: Northwest, Fine Gardening issue #127

Viola tricolor Viola tricolor
(Heartsease, Johnny-jump-up, Love-in-idleness, Wild pansy)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This annual, biennial, or short-lived perennial is grown for its long season of pansy flowers in shades of purple, blue, yellow, and white. Viola tricolor is pretty in containers, as edging, or as a companion for bulbs. It self-seeds readily.

Weigela florida Weigela florida
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A deciduous shrub, wiegela has gracefully arching branches studded with pink tubular flowers. Dwarf, medium, and tall cultivars are now available for the front, middle, or back of the border: 'Midnight Wine' has dark burgundy foliage and pink flowers; 2- to 3-foot-tall and wide 'Minuet' has purplish-green foliage and magenta-rose and pale purple flowers; and 'Dark Horse' has dark burgundy foliage and deep pink flowers. Many other garden-worthy cultivars are available.

Wisteria floribunda Wisteria floribunda
(Japanese wisteria)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dramatic clusters of blue-violet to red-violet flowers with an intoxicating fragrance grace this vigorous twining climber. Its springtime cascading flower clusters can grow to 3 feet long or more in some cultivars. Blooms typically open first at the base and last at the tip of each cluster. Trunk diameter can reach 7 to 8 inches after 20 years, and the plant can climb to 35 or more feet in height, though its size is easily contolled by pruning.

x Heucherella 'Sweet Tea' x Heucherella 'Sweet Tea'
('Sweet Tea' heucherella)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Anyone who gardens in the shade is familiar with heucherella. ‘Sweet Tea’ was bred using Heuchera villosa, a native of the eastern United States, as one of its parents, which has added enough resistance to heat, drought, and humidity to make it able to handle even the extreme climate of Texas. ‘Sweet Tea’ has large, stained, orange-bronze leaves with dark burgundy veins and short spikes of small white flowers that appear in early spring. Its brightly colored foliage, however, is the main reason to have this plant. Give it well-drained soil, and lift and divide it every couple of years. -Jimmy Turner, Perennials for dry shade, Fine Gardening issue #133

Yucca glauca Yucca glauca
(Soapweed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clumping evergreen shrub with narrow leaves produces a startling, 3- to 4-foot-tall flower stalk. The fragrant flowers are pale green or greenish white. It is a tenacious weed in areas of the American West, but adds a touch of the desert to gardens. Soap can be made from its roots and the foliage is used in basket-making.

Zinnia grandiflora Zinnia grandiflora
(Prairie zinnia)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native perennial wildflower of the American Southwest bears a profusion of bright yellow to golden yellow flowers atop 4-inch high plants that spread to 15 inches wide. They bloom from late summer into fall. 

Zizia aurea Zizia aurea
(Golden Alexander, Golden zizia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This lovely native of the eastern U.S. offers delicate, lemon-yellow broccoli-like flowers in late spring to early summer. Flowers last for weeks. Plants grow to about 2 feet tall and half as wide.


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