Quick answer: Purple clematis (Clematis occidentalis var. occidentalis) is native to 1 state. What's commonly sold under this name is the true wild species. It's typically seeds, 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 | Part Shade, Shade |
|---|---|
| Water | Medium |
| Soil | Not recorded in the wildflower.org profile |
| Bloom | Mar-Jun |
| Height | Vine to 6 ft (up to 20 ft per other sources) |
| Wildlife value | Attracts birds/hummingbirds |
All parts poisonous; ingestion causes severe oral pain and mouth ulcers; contact causes skin redness/burning; toxic compound is anemonin
Buying it
Sold true to the wild species as of the last check (16 Sep 2026), via Amazon.
Sold as: Seeds via Amazon · listing verified 16 Sep 2026
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