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Asclepias purpurascens Purple Milkweed

Ohio Native Plant Natural Range

To view the natural range of Asclepias purpurascens visit the USDA Natural Resources Conservation Service website. List as Endangered in - Wisconsin and Massachusetts, then Special Concern in Connecticut and Tennessee
Stunning flowers of Asclepias purpurascens
Cultivation Information Asclepias purpurascens
Asclepias purpurascens - seed pod is soft and fuzzy and has a curly stem
Pronounced - ass-KLEP_ee-assHeight - 2 to 3 ft Blooms - June - July Flower Color - Rose Sun - Sun to Part Sun Hardy Zone - 4 to 9 Perennial Soil - Moist to Medium pH - 4.0 to 6.0Family - Asclepidaceae
Over the Years - Purple Milkweed is a bit more particular than Common Milkweed (Asclepias syriacac). We have found that is does best in a moist, but not soggy, partly sunny location. On several occasions a usually hot spring day occurring right around the time buds were developing seem to stress this native plant before it even got going, sadly this stress stymied seed development. There certainly could have been other factors, like soil chemistry, involved however, raising this native milkweed species in a cooler location seemed to help considerable. Many instance, other native perennials severed as a natural shade source.
Seed Provenance
Asclepias purpurascens
Prairie Moon Nursery - Winona, MN 2010 - 2012, 2017, 2018 - Granby CT, 2017 - NOG - 2013, 2015, 2018
Purple Milkweed flowers developing in the spring
Wildlife Significance Purple Milkweed

Nectar Source - for long-tongued bees,
Skippers - Silver-Spotted skipper,
Butterflies - Spicebush Swallowtail, Eastern Black Swallowtail, Eastern Tiger Swallowtail, Clouded Sulphur, Spring Azure, Great Spangled Fritillary, Eastern Tailed Blue, Silver-Spotted Skipper, beetles and numerous moths
Host Plant - Caterpillars of the Monarch butterflies, Milkweed tussock moth, Milkweed Tiger moth,
Leaves - Deer and other herbivores leave this plant alone, due to the bitter and toxic taste For more details on this plant visit the Illinois Wildflower website
Understanding Milkweed Plants
A Guide to the Milkweeds of Ohio - Natural Treasures of Ohio
Purple Milkweed Seed pods notice the curly stem on the left
Propagation Notes Purple Milkweed
Stratifying Seeds
1. Zip lock plastic bag2. Few tablespoons of Vermiculite3. Dampen vermiculite - not soggy4. Store in refrigerator for 30 days before sowing Seeds require cold, moist storage in order to germinate
Ohio Department of Agriculture Nursery Inspection 2010 - 2023
© 2023 Nodding Onion Gardens, LLCColumbia Station, Ohio 44028I

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