Quick answer: Whorled milkweed (Asclepias verticillata) is native to 6 states. What's commonly sold under this name is the true wild species. It's typically live plant, verified 16 Sep 2026.
Where it's native
Listed in the register as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun, Part Shade |
|---|---|
| Water | Low, Dry |
| Soil | Sandy, clayey or rocky |
| Bloom | May-Sep |
| Height | Up to 3 ft |
| Wildlife value | Larval host for Monarchs; benefits native/bumble/honey bees |
All parts poisonous, toxic in large quantities; cardiac glycosides and resinoids cause vomiting/weakness/spasms
Considered a weed in livestock range areas -- one of the more poisonous milkweeds to livestock
Buying it
Sold true to the wild species as of the last check (16 Sep 2026), via Amazon.
Sold as: Live plant via Amazon · listing verified 16 Sep 2026
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