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Narrowed By:Seasonal Interest: Summer
Displaying 841 - 860 of 1306 listings   < Prev1 | 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 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66View AllNext > Sort By: Sort
Opuntia compressa Opuntia compressa
(Eastern prickly pear cactus)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Prickly pear cactus is a clump-forming and semi-prostrate plant. Flattened round-to-oval green pads 2-10 inches across have scattered needle-like spines and tufts of glochids (bristles). Showy bright yellow flowers appear in late spring and summer, maturing to edible, pulpy, red or purple fruit.

Origanum laevigatum and cvs. Origanum laevigatum and cvs.
(Marjoram, Oregano)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a creeping perennial that reaches 24 inches tall. Dark green leaves have a rich purple tint, and its purplish pink flower clusters appear from late spring through autumn. ‘Herrenhausen’ (Zones 5–8) displays masses of showy pink flowers with maroon bracts on purplish stems. ‘Hopleys’ (Zones 7–10) is taller (up to 36 inches) with large, long-blooming, deep pink flowers, and is a vigorous grower, more tolerant of heat than ‘Herrenhausen’.

Origanum vulgare 'Aureum’ Origanum vulgare 'Aureum’
(Golden oregano)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden oregano is a robust creeper with tiny, rounded leaves 1/2 to 1 inch wide. Small, pink or lavender to purple flowers stand out above the foliage in early to late summer.

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.

Osteospermum Crescendo™ Primrose Osteospermum Crescendo™ Primrose
(Crescendo™ Primrose African daisy)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This African daisy blooms nonstop from early June through October, even in extreme heat. It has an attractive mounding form and is an ideal candidate for pots and baskets. Its daisy flowers are pale yellow with maroon centers.

Othonna capensis Othonna capensis
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen, perennial succulent has pudgy, swollen, deep green stems which resemble a pickle, similar to those of the iceplant. Flowers begin as pearl-sized, pale mauve capsules sitting atop succulent 1-inch-high foliage, then open to reveal half-inch-long, yellow daisylike flowers. Blooms appear from mid-spring into fall.

Oxalis oregana Oxalis oregana
(Redwood sorrel)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Redwood sorrel is a creeping native perennial with shamrock-shaped leaves and cup-shaped pink, lilac, or white flowers over a long period from spring to fall. It makes a nice groundcover.

Oxalis triangularis Oxalis triangularis
(Love plant, Purple shamrock)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Purple shamrock's pretty foliage and dainty flowers make it a good choice for containers, borders, or indoors.

Oxalis vulcanicola 'Zinfandel' Oxalis vulcanicola 'Zinfandel'
(Volcanic sorrel)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The old-fashioned shamrock house­plant is now high fashion. Several introductions from Proven Winners push this group to the fore for its elegant foliage; abundant, delicate flowers; and vigor. Only 6 to 10 inches high with a spread to 12 inches, this plant’s tiny, ¾-inch-wide, bronze-colored leaf clusters and bright yellow flowers are massed on trailing stems that spill over the sides of shaded window boxes and containers.

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

Sourwood, the lone species of the genus, is found in woodlands and along streams of eastern North America. This plant (named for the sour taste of its leaves) forms a pyramidal tree to 30 feet tall, with canoe-shaped, glossy leaves that turn vivid maroon, yellow, or purple in autumn. In late summer, its delicate panicles of fragrant, urn-shaped flowers spray forward, decorating the tree in white. The blossoms, which resemble lily-of-the-valley, are followed by yellowish seed capsules that turn brown and persist into winter. It makes an outstanding specimen both for a prominent position and also for a naturalized setting.

Pachysandra procumbens Pachysandra procumbens
(Allegheny spurge)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming, semi-evergreen perennial has long prostrate stems and pewter-green foliage. Fragrant, bottlebrush-like white flowers are borne on 2- to 4-inch-long spikes in spring, as the foliage appears.

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.

Paeonia suffruticosa Paeonia suffruticosa
(Tree peony)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, sparsely branched, woody shrub reaches 4 to 10 feet tall. It's easy to grow but slow-growing. It displays dark green leaves that are blue-green beneath, and large, silken blossoms 6 to 12 inches across in late spring and early summer. The plants maintain a graceful branching structure throughout the winter.

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 'Prairie Fire' Panicum virgatum 'Prairie Fire'
(‘Prairie Fire’ red switchgrass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Prairie Fire' is a distinctly red form of switchgrass. Blue-green spring foliage turns shades of deep red by early summer and butter yellow in late fall. The grass persists into winter. 'Prairie Fire' has a fibrous root system that grows to more than 10 feet deep, making it drought tolerant. -Scott Vogt, Native grasses, Fine Gardening issue #124

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.

Panicum virgatum 'Shenandoah' Panicum virgatum 'Shenandoah'
('Shenandoah' red switchgrass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Shenandoah' is truly a plant for all seasons. In early summer, its leaf blades are tipped in red, and by autumn, the entire leaf is a rich burgundy color, topped by pink plumes. In winter, the leaf color fades to beige; the blades persist and offer cover to birds. 'Shenandoah' is a compact selection of an American native prairie grass. -Chris Kelley, Regional Picks: Midwest, Fine Gardening issue #120

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.


Displaying 841 - 860 of 1306 listings   < Prev1 | 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 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66View AllNext > Sort By: Sort