Quick answer: Sweet coneflower (Rudbeckia subtomentosa) is native to 4 states. What's commonly sold under this name is the true wild species. It's typically seed, verified 15 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 |
|---|---|
| Water | Moist |
| Soil | Moist soils |
| Bloom | Bloom Jul-Sep |
| Height | Up to 6 ft tall |
| Wildlife value | Special value to native bees, conspicuous flowers |
Toxicity
Stems and leaves can cause skin irritation in humans
Buying it
Wild species
Sold true to the wild species as of the last check (15 Sep 2026), via Amazon.
Sold as: Seed via Amazon · listing verified 15 Sep 2026
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