Asclepias perennis
PlantsFamily: Apocynaceae · Genus: Asclepias
Michael Rivera · cc_by_sa
About
Asclepias perennis, also known as aquatic milkweed or white swamp milkweed, is a North American species of milkweed that is found throughout the Coastal Plain from eastern Texas to southern South Carolina, northward along the Mississippi River, and into the Ohio Valley of Illinois, Indiana, and Kentucky. There seems to be a few disjunct populations in Arkansas, Texas, and Indiana.
Summary from Wikipedia
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Growing details and traits for Asclepias perennis in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.