Click on a place name to get a complete protected plant list for that location. It is one of the many milkweeds used by Monarchs as a caterpillar food plant. This plant has no children Legal Status. While light, well-drained soils are usually best, some species including Asclepia incarnata (Swamp Milkweed) and Asclepia sullivantii (Prairie Milkweed) thrive in moist conditions. In Ontario, it is a rare plant. Here are a few cultivars to consider for your garden: Asclepias incarnata ‘Cinderella’ – This cultivar of swamp milkweed has large clusters of rose-pink flowers that smell of vanilla and bloom continuously from midsummer to fall. Photo Courtesy of The Vagary. The total range maps are based on Woodson (1954), and the most recent floras and rare plant publications. purple milkweed Asclepias purpurascens whorled milkweed Asclepias quadrifolia endangered in Illinois endangered in Illinois, threatened federally showy milkweed Asclepias speciosa ... range limit. However, it is uncommon or absent in some areas of NW, central, and east-central Illinois. The number of populations known in New England has fallen from 82 historically to only a few today. 5 hoods surround the central part of the flower: These will give way to large (oblong, 6 Life history Species overview. Asclepias purpurascens - Purple Milkweed. … This plant has no children Legal Status. Zone: 3 to 8. Range: Coastal plain, common Red Milkweed Longleaf Milkweed Michaux’s Milkweed. Purple Milkweed ( Asclepias purpurascens) A member of the Asclepiadacea family, purple milkweed is found growing primarily in Eastern North America. [1] The species rarely produces seed pods which are smooth instead of the rough warty ones produced by common milkweed. They find milkweeds by using visual and chemical cues. – fourleaf milkweed Subordinate Taxa. Asclepias purpurascens (Linnaeus) Purple Milkweed Plant Description: Multiple stems from 50-110 cm tall. Apocynaceae Genus. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. They are somewhat thick with a prominent midrib beneath. Each individual inflorescence is a very unique combination of green and white and hangs on a long peduncle in the open, lax umbel. Mature plants are from 2 to 4 feet high with slender stems and leaves. It is found in oak-pine associations, woodland edges, … Total range:Asclepias purpurascens is found principally in eastern North America, occurring from New Hampshire south to Virginia and ranging west to Wisconsin, Iowa, Kansas, and Oklahoma. The leaves are opposite on the stem, 10-15 cm long and 6cm wide. Common names: Cow-cabbage Milkweed, Humboldt Mountains milkweed, Jewel Milkweed, Pallid Milkweed; Native Range: Family: Asclepiadaceae (milkweed family) Total range: Asclepias purpurascens is found principally in eastern North America, occurring from New Hampshire south to Virginia and ranging west to Wisconsin, Iowa, Kansas, and Oklahoma. Scientific name A. purpurascens. • Female monarchs usually lay their eggs only on milkweed plants so that the larvae will have an immediate food source when they hatch from the egg. Get it as soon as Wed, Oct 21. Asclepias purpurascens, commonly called purple milkweed, is a rough, weedy, Missouri native perennial that commonly occurs in dry to moist open woods, dry ridge tops, thickets, glades, prairie openings, stream banks and wet meadows throughout most of the state (Steyermark). It also occurs in Southern Ontario. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. 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