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Narrowed By:Zone: 9+ Seasonal Interest: Spring+ Botanical Name: P - R
Displaying 1 - 20 of 81 listings   1 | 2 | 3 | 4 | 5View AllNext > Sort By: Sort
Pachyphragma macrophyllum Pachyphragma macrophyllum
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Rounded, ruffled leaves form a solid, weed-free, evergreen ground cover. In the spring, elongating shoots open to rounded heads of small four-petaled white flowers. Plants remain in bloom for nearly a month, opening new flowers from expanding terminal clusters as well as from numerous side shoots. Mature plants stand 12 to 18 inches high when in flower, and spread in time to form clumps 2 to 3 feet wide.

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 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.

Paulownia tomentosa Paulownia tomentosa
(Empress tree, Foxglove tree, Princess tree, Royal pawlonia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous tree has thick shoots and large, lobed, bright green leaves. Fragrant pinkish lilac flowers appear in late spring with the foliage. When grown as a perennial, its robust shoots become sturdy stems 2 inches in diameter, with mammoth leaves as much as 2 feet across. Paulownia tomentosa can grow to 12 feet tall in a single season.

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 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 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

no image available Penstemon parryi
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright perennial has funnel-shaped, bright pink flowers on 3-foot-tall stalks in spring.

Persicaria polymorpha Persicaria polymorpha
(Giant fleeceflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This massive herbaceous shrub needs a lot of room to show off its vase-shaped form, but it does not spread or self-sow like some of its relatives. It blooms close to the ground from June and continues throughout the summer atop 6-foot-tall stems. The large, white, astilbe-like blossoms fade to pink and then reddish-brown as the season comes to a close. 

Philadelphus coronarius 'Aureus' Philadelphus coronarius 'Aureus'
(Mock orange)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Mock orange is an upright, deciduous shrub grown for its very fragrant, creamy white flowers that bloom in early summer. 'Aureus' has golden yellow leaves in spring that turn yellow-green in summer. Use in a shrub border or woodland garden.

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.

Photinia × fraseri Photinia × fraseri
(Red tip)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is an upright evergreen shrub with lance-shaped leaves. Foliage emerges bright red or bronze, turning a leathery dark green. Small white flowers appear in mid- to late spring.

Phyllostachys nigra Phyllostachys nigra
(Black bamboo)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clumping bamboo is native to eastern and central China and can reach 15 feet tall and almost as wide. After two or three years, slender green culms turn a lustrous black. The foliage is abundant and dark green, making a stunning combination with the stems. Grow as screening, in large containers, or in a woodland setting where the stems can be appreciated.

Phyllostachys nuda Phyllostachys nuda
(Nuda bamboo)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Nuda is one of the hardiest bamboos. New culms emerge purplish green, eventually lightening to match the leaf color. This is a running bamboo, so take precautions for restraint. Though it is reluctant to spread into very dry soils, it is resistant to some drought.

no image available Pinus strobus 'Fastigiata'
(Eastern white pine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This robust evergreen tree has a narrowly columnar crown with ascending branches, slender gray-green leaves, and smooth gray bark. Tapered green female cones ripen to brown.

Plectranthus ‘Mona Lavender’ Plectranthus ‘Mona Lavender’
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Plectranthus cultivars are popular foliage plants, but some gardeners grow them for their blooms, and one of the best bloomers is 'Mona Lavender'. This cultivar has abundant lavender-purple flowers that complement the dark green leaves (with purple undersides and stems). These plants thrive in light to deep shade. -Tom Nelson, Regional Picks: Northern California, Fine Gardening issue #127 

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.

Pleioblastus viridistriatus Pleioblastus viridistriatus
(Golden bamboo, Kamuro-zasa )
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This bamboo has showy variegated leaves of green and gold in an irregular pattern of stripes. It is a running bamboo, making it good for naturalizing and filling in or for hedging, but it may need to be controlled by underground barriers. It grows to about 5 feet high.

Podophyllum 'Kaleidoscope' Podophyllum 'Kaleidoscope'
(Hybrid mayapple, Asian mayapple)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

As the cultivar name suggests, the leaves of ‘Kaleidoscope’ have distinctive markings, which can range in color from silver to light green to nearly black. Maroon flowers bloom in early summer. This plant is mostly evergreen. The plant's growth habit is umbrella-like. -Sylvia Matlock, Regional Picks: Northwest, Fine Gardening issue #127


Displaying 1 - 20 of 81 listings   1 | 2 | 3 | 4 | 5View AllNext > Sort By: Sort