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Browse Plants

Narrowed By:Type: Perennials+ Seasonal Interest: Fall+ Moisture: Medium+ Botanical Name: P - R
Displaying 1 - 20 of 26 listings   1 | 2View AllNext > Sort By: Sort
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.

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.

Pardanthopsis dichotoma Pardanthopsis dichotoma
(Vesper iris)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The flowers of vesper iris open in the late afternoon over a period of several minutes, just about the time the sound of evening vespers might have wafted over an old monastery garden. It is a valuable addition to the garden also because of its late blooming season (high summer into early fall) and for its ability to bloom from seed started the same spring. The vesper iris has typical iris-looking leaf fans and abundantly branched, willowy bloom stalks rising to 4 feet. The inch-wide flowers range in color from pure white to violet.

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

From a basal mound of toothed leaves (similar to scabiosa's foliage) rise 4- to 6-foot stems of tiny chrome-yellow flowers.

Pelargonium 'Crystal Palace Gem' Pelargonium 'Crystal Palace Gem'
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'Crystal Palace Gem' was first introduced in 1869 and has been a star in the garden ever since. It was named for Joseph Paxton's elaborate glass house designed in 1851 for London's Great Exhibition in Hyde Park. Like its namesake, the plant is showy, with its round chartreuse leaves with a midgreen center and its salmon-red flowers. 'Crystal Palace Gem' looks good from spring until frost. -Marty Wingate, Plants to know and grow, Fine Gardening issue #120

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

This plant is a lemon-scented, shrubby, upright pelargonium with pale pink flowers and crinkled leaves.

Pelargonium crispum ‘Variegatum’ Pelargonium crispum ‘Variegatum’
(Geranium, Scented geranium, Variegated lemon-scented geranium)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This lemon-scented, shrubby, upright pelargonium has cream-margined leaves.

no image available Penstemon albertinus
(Alberta beardtongue)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Deep blue, delicate spires to 16 inches tall appear late spring and early summer above thick, sturdy leaves.

no image available Penstemon whippleanus
(Whipple's penstemon)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is an upright penstemon with striking deep burgundy, purple, sometimes lavender or cream flowers on thin stems. The stem leaves are lance shaped and the basal leaves are spoon shaped.

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.

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.

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.

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.

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


Displaying 1 - 20 of 26 listings   1 | 2View AllNext > Sort By: Sort