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Browse Plants

Narrowed By:Zone: 10+ Characteristics: Showy + Light: Full Sun Only+ Botanical Name: P - R
Displaying 1 - 20 of 20 listings   Sort By: Sort
Parahebe perfoliata Parahebe perfoliata
(Digger's speedwell)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native of Australia has blue-green perfoliate leaves (similar to some eucalyptus) and blue-lilac flowers on somewhat floppy stems. Digger's speedwell likes a hot location and will ramble over walls or grow through shrubs beautifully.

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.

no image available Pelargonium sidoides
(Kalwerbossie geranium , Silverleaf geranium)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This exemplary species has felted, gray, crinkled leaves. Over a long period, it exhibits sprays of butterfly-shaped, rich wine-red flowers, which contrast dramatically with the foliage. Its small stature makes it a perfect candidate for a container or a walkway edge. It has been used medicinally for the treatment of various infections, including bronchitis. It is a native of Africa.

Pennisetum orientale Pennisetum orientale
(Oriental fountain grass, Tall tails)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Pink, bottle-brush flowers rise well above arching clumps of graceful foliage in summer. This grass is beautiful in a mixed border, rock garden, or massed at waterside. It blooms in June with pink plumes.

Pennisetum setaceum 'Rubrum' Pennisetum setaceum 'Rubrum'
(Purple fountain grass, Red fountain grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tropical annual produces mounds of narrow burgundy-red foliage and purple plumes to 1 foot long. It is invaluable for containers and stunning, annual foliage color in a border. It rarely sets seed.

no image available Pennisetum spathiolatum
(Slender veldt grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Native to South Africa, this non-invasive evergreen species produces showy pink flowers in spring, which are held 2 to 3 feet above the foliage on stiff, wiry stalks.

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

This plant is a bushy, vigorous perennial with smooth, narrow, dark green leaves and small, tubular, deep wine-red flowers borne in erect spikes, from early summer to late autumn.

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

Penstemon Phoenix™ Red Penstemon Phoenix™ Red
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This penstemon cultivar has huge red flowers with white throats on upright spikes. The plants bloom all summer, even more so when given a weekly dose of liquid fertilizer. Hardy in Zones 9 and above, Phoenix™ Red is usually grown as an annual.

Pentas lanceolata 'New Look Red' Pentas lanceolata 'New Look Red'
(Egyptian star cluster, Star cluster)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Red star-shaped flowers with small white centers bloom atop erect stems from spring to autumn. This evergreen perennial or subshrub is often grown as a summer annual. It generally stays under 2 feet tall in the garden, but the species can reach over 6 feet tall in the wild. Grow in a bed or border, or in containers.

Pleioblastus variegatus Pleioblastus variegatus
(Dwarf white-stripe)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dwarf white-stripe has 5-inch-long, upward-pointing green leaves strongly variegated with white. It grows up to 3 feet tall in either sun or shade, forming a striking contrast to less flamboyant neighbors.

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.

Robinia hispida Robinia hispida
(Rose acacia, Bristly locust)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This showy flowering shrub grows to 8 feet tall and wide and features dark green, compound pinnate leaves on bristly stems and pendant clusters of fragrant, pea-like, rose-pink flowers that are attractive to bees and butterflies in late spring and early summer. The flowers are occasionally followed by bristly, reddish-brown seed pods. Native to the southeastern United States, this aggressive shrub spreads by suckers and is considered invasive in Michigan, New Jersey, Ohio, Pennsylvania, and Washington. All parts of this plant are at least mildly poisonous.

Rosa "Lady of Shalott' (Ausnyson) Rosa "Lady of Shalott' (Ausnyson)
('Lady of Shalott' rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This robust and hardy rose is highly resistant to disease and it will bloom with unusual continuity throughout the season. It is an ideal rose for the inexperienced gardener.

 

Information provided by David Austin Roses
 

Rosa 'Lichfield Angel' Rosa 'Lichfield Angel'
('Litchfield Angel' rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Lichfield Angel' is a vigorous, rounded shrub with nodding peach-pink blooms ringed with creamy apricot petals that look white in bright sunshine.

 

Information provided by David Austin Roses 

Rosa ‘Novarospop’ PPAF Rosa ‘Novarospop’ PPAF
(Popcorn Drift® rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Popcorn Drift® starts out yellow and fades to cream white, sometimes suffused with light pink. It is hardy to zone 5 and possibly 4 pending results from further testing. The overall impression is yellow and cream; reminiscent of buttery popcorn. -Star Roses

Rosa banksiae 'Lutea' Rosa banksiae 'Lutea'
(Lady Banks rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Lady Banks' has clusters of double pastel yellow flowers in early spring. A thornless rambler with long elegant canes, Lady Banks Rose is easy to prune and train, or it can be allowed to wander freely in a shrub or tree.

 

Information provided by Brushwood Nursery


Rosmarinus officinalis 'Prostratus' Rosmarinus officinalis 'Prostratus'
(Creeping rosemary)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A hardy, fast-growing evergreen shrub, creeping rosemary has a prostrate habit and attractive flowers and fragrance. Dark green leaves, to 2 inches long, are rich in aromatic oils and commonly used as a culinary herb. This plant is loved for its strong pinelike flavor and fragrance.

Rosmarinus officinalis 'Salem' Rosmarinus officinalis 'Salem'
(Rosemary)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hardy, fast-growing evergreen shrub has an upright, rounded form and attractive flowers. Shiny green, needlelike leaves are aromatic. It bears small blue flowers in early spring and is loved for its strong, pinelike flavor and fragrance.

Ruellia peninsularis Ruellia peninsularis
(Desert ruellia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This southern California native shrub produces a dense mass of small, glossy leaves and purple, petunia-like flowers in late spring and early summer. Sporadic flowering can occur throughout the season. It grows up to 4 feet tall and 6 feet wide.


Displaying 1 - 20 of 20 listings   Sort By: Sort