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Browse Plants

Narrowed By:Type: Perennials+ Zone: 7+ Moisture: Medium+ Botanical Name: S - U
Displaying 1 - 20 of 28 listings   1 | 2View AllNext > Sort By: Sort
no image available Salvia 'Mystic Spires Blue'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Throughout the summer, 'Mystic Spires Blue' produces long stalks of dark blue flowers, which continue to reward in abundance when deadheaded. Refresh tired plants in midsummer by cutting them back by half. This cultivar makes an excellent bedding or container plant.

no image available Salvia darcyi
(Mexican sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

From late spring to fall, this easy-going perennial bears deep orange-red flowers on 3- to 4-foot-tall spikes that rise above a loose, 6-foot-wide mound of heart-shaped, sticky leaves. The native habitat for this brightly colored salvia is a very limited area at an altitude of 9,000 feet in the narrow range of the Mexican Sierra Madre Oriental Mountains.

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

This perennial produces long spires of large, deep blue flowers from mid-summer to frost. It forms a tall bush 6 feet tall by 2 feet wide that is great for the back of the border. It is drought tolerant because of its unusual, moisture-conserving rhizomes.

Salvia hians Salvia hians
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This short-lived perennial from the Himalayas has scented, hairy leaves and forms a small shrub 2 feet tall by 2 feet wide. It bears 1.5-inch-long purplish-blue flowers with white lips (called bee lines) from early to late summer. The flowers are clasped by rusty colored calyxes that accent color of the blooms. Salvias are some of the showiest plants for containers, annual borders, and mixed borders. Butterflies and hummingbirds love them. 

Salvia verticillata 'Purple Rain' Salvia verticillata 'Purple Rain'
(Lilac sage)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Throughout the summer, this cultivar produces multiple flower spikes in irresistible shades of smoky purple. At about 20 inches tall and half as wide, the plant flowers abundantly, inviting you to make bouquets and to keep up with the deadheading. 

Saxifraga stolonifera Saxifraga stolonifera
(Strawberry geranium)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a rosette-forming evergreen perennial with kidney-shaped to rounded leaves. It produces white flowers with red or yellow spots in summer.

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 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.

Silphium laciniatum Silphium laciniatum
(Compass plant, Pilot plant, Polar plant)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tall, sturdy prairie plant makes an imposing statement in the garden with its large, deeply cut leaves and yellow sunflower-like flowers that face east and bloom in late summer and early fall. The leaves of the compass plant can grow up to 18 inches long and are deeply incised with a shape that looks like something from a painting by Matisse. They align themselves on a north-south axis to conserve moisture by avoiding the midday sun. This plant requires a few years to enlarge and flower, but once its deep roots are anchored, it will live for many years.

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 Smyrnium perfoliatum
(Perfoliate Alexanders)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spring bloomer produces bright chartreuse floral domes atop bract-like, rounded leaves that are pierced by the flower's stem. This plant's form and color contrast well with spring bulbs. It grows 3 feet tall and 2 feet wide. Let it regenerate itself by self-sowing. It is a biennial or short-lived perennial that makes an excellent cut flower and produces worthy combinations with neighboring shades of maroons and blues. Grow it in large, mixed borders, naturalistic plantings, and open woodlands.

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.

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.

Stachys byzantina 'Silky Fleece' Stachys byzantina 'Silky Fleece'
(Lambs' ears)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This new cultivar of a treasured favorite is as cute as a button. With leaves about the size of a dime, 'Silky Fleece' has the same great soft, silky texture and silver color as other lambs' ears, just in a smaller package, growing to about 10 inches tall and wide. Lilac-plum flower spikes rise above the foliage from mid- to late summer. Grow it as edging, in containers, or in rock gardens.

Stokesia laevis ‘Peachie’s Pick’ Stokesia laevis ‘Peachie’s Pick’
(Stokes' aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant grows exuberantly and fills out within a season, yet reaches only 18 to 20 inches tall. It bears terminal, cornflower-like, 2- to 3-inch-wide blue flowers held on strong stems. Plants do not splay open in the middle or fall over like the species does.

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.

Symphytum × uplandicum 'Axminster Gold' Symphytum × uplandicum 'Axminster Gold'
(Russian comfrey)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This notably beautiful plant produces huge, elongated banana-shaped leaves, which are arfully edged in luminescent yellow. The rosette sits at 18 inches tall, and in early summer the plant bears clusters of mauve-pink bells atop stems that are 4 to 5 feet tall.

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 Trillium chloropetalum
(Giant trillium, Wakerobin, Wood lily, Trinity flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species blooms in early to mid-spring with large blossoms of white, yellow, or deep purple-black. It is vigorous, growing to almost 18 inches tall and wide, with leaves (usually mottled) up to 8 inches long.

Trillium erectum Trillium erectum
(Red trillium, Purple trillium, Stinking Benjamin, Woodlily, Wakerobin, Trinity flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This trillium has upright or outward-facing blossoms of chocolate or reddish-purple, or occasionally white or yellow. At close range, it bears an unpleasant scent. It blooms in mid- to late spring, and grows from 14-20 inches tall and a foot wide.


Displaying 1 - 20 of 28 listings   1 | 2View AllNext > Sort By: Sort