Perennials & Biennials
Showing 369–376 of 511 results
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Polygonum capitatum Pinkhead knotweed, in China tou hua liao. Z 7-11
Oval-shaped spikes of pink flower heads
Oval-shaped spikes of pink flower heads June through October, with ornamental, chevron-like pattern on the leaves. Wonderful groundcover, good for rock gardens and containers and between stepping stones and anyplace you want to put a plant.
Size: 5” x 12”
Care: sun to part shade in moist to moist well-drained soil
Native: China, Thailand, Vietnam, Afghanistan, Malaysia & NepalCollected for western gardens by 1825. Used medicinally in Asia. Polygonum from Greek polys meaning “many” and gonu for “knee” or “joint” for the thickened joints on the stem. Capitatum means “dense head.”
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Polygonum virginianum syn. Persicaria virginiana Jumpseed Z 4-8
Arresting tiny white flowers atop nearly leafless stems blooming late summer into fall; dark green foliage marked with a maroon chevron on each leaf
OUT OF STOCK
Arresting tiny white flowers atop nearly leafless stems blooming late summer into fall;
dark green foliage marked with a maroon chevron on each leafSize: 2-3’ x 3-4’
Care: shade to part shade in moist to moist well-drained soil
Native: All eastern areas from central Canada south to Texas, Wisconsin native
Wildlife Value: attracts birds, bees & butterflies, Deer resistant
Size: Cherokee made a hot infusion of leaves with the bark of a Honey Locust to treat whooping cough.Linnaeus 1753.
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Polystichum acrostichoides Christmas fern Z 3-10
Leathery, lance-shaped evergreen fronds.
OUT OF STOCK
Leathery, lance-shaped evergreen fronds.
Size: H 18” S 18”
Care: part shade to full shade in most any soil, nearly indestructable
Native: Every state east of the Rockies
Awards: Kentucky's Theodore Klein Plant AwardEvergreen fronds last all winter. Called “Christmas” because in the past florist used the evergreen fronds in holiday arrangements. Collected by Michaux before 1800.
**LISTED AS OUT OF STOCK BECAUSE WE DO NOT SHIP THIS ITEM. IT IS AVAILABLE FOR PURCHASE AT OUR RETAIL LOCATION.
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Polystichum tsus-simense Korean Rock Fern Z 5-9
Compact, glossy green fronds with black stems growing in a rosette.
Compact, glossy green fronds with black stems growing in a rosette.
Size: 12-20” x 12-16”
Care: Shade to part shade in moist well-drained soil
Native: Korea
Awards: Royal Horticulture Society Award of Garden Merit. Great Plant Pick Elizabeth Carey Miller Botanic Garden1st collected “on the “Island of Tsus Sima, in the Straits of Corea” by Charles Wilford in 1859. Species Filicum, Vol. 4, p. 16 (1862) William J. Hooker, In 1854 Charles Wilford started as an assistant in the herbarium at the Royal Botanic Gardens, Kew. Sent to Asia in 1857 he collected plants in Hong Kong, moving to Taiwan the following year and to Korea and Japan in 1859.
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Potentilla atrosanguinea Himalayan cinquefoil Z 5-8
Open pink cups in June-July
Summer to autumn, ruby to pumpkin-colored blossoms shaped like a single petal rose, top pleated silvery foliage.
Size: 18-24" x 24"
Care: Sun well-drained soil
Native: HimalayasPotentilla is Latin meaning powerful referring to medicinal properties. Potentillas used by dentists in the 16th century to reduce pain according to Gerard, English herbalist. Per Culpepper, 17th century English herbalist, potentilla is to be used if Jupiter is ascending and the moon is “applying to him.” Atrosanguinea 1st collected in its native Nepal in 1822. American garden cultivation of this species since mid-1800’s
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Potentilla nepalensis Nepal cinquefoil Z 5-9
Open pink saucers with raspberry centers, on a low mound of leaves blooming in mid to late summer. “A fine species,” Liberty Hyde Bailey 1933.
Open pink saucers with raspberry centers, on a low mound of leaves blooming in mid to late summer. “A fine species,” Liberty Hyde Bailey 1933.
Size: 1-2' x 12-18"
Care: sun in moist well-drained soil
Native: Himalayan mountainsPotentilla is Latin meaning “powerful” referring to medicinal properties. 1st described in 1822 in Exotic flora.
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Potentilla porphyrantha Z 3-8
Hairy, gray foliage set off mid-pink blooms in spring
OUT OF STOCK
Hairy, gray foliage set off mid-pink blooms in spring
Size: 6” x 15”
Care: sun in moist well-drained to well-drained soil
Native: Caucasus Mountains in Armenia1st described for botany in 1940. Seems to be controversy among taxonomists about the plant’s name. Regardless, both the foliage and flowers make a beautiful little alpine plant.
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Potentilla rupestris syn. Drymocallis rupestris Rock cinquefoil, Siberian tea Z 5-8
White, single rose-like saucer flowers with prominent yellow stamens in early summer.
White, single rose-like saucer flowers with prominent yellow stamens in early summer.
Size: 10-20" x 12"
Care: sun to part shade in well-drained to moist well-drained soil
Native: Europe, Asia & mountains of western No. AmericaPotentilla is Latin meaning “powerful” referring to medicinal properties. Rupestris means “rock loving.” This species 1st identified in literature in 1650. Russians used the leaves to brew tea.
