Quick answer: Prairie onion (Allium stellatum) is native to 6 states. 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 |
|---|---|
| Water | Moist |
| Soil | Mesic to dry, rocky |
| Bloom | spring-fall |
| Height | Up to 2 ft |
| Wildlife value | Attracts butterflies |
Toxicity
Low toxicity if eaten in large quantities; nausea/vomiting/diarrhea
Invasive / regulated
Some Allium species can become weedy in warmer climates
Buying it
Wild species
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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