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Browse Plants

Narrowed By:Type: Perennials+ Zone: 10+ Light: Full Sun Only+ Botanical Name: P - R
Displaying 1 - 8 of 8 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.

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.

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.


Displaying 1 - 8 of 8 listings   Sort By: Sort