Quick answer: Texas bluebonnet (state flower) (Lupinus texensis) is native to 2 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 | Sun |
|---|---|
| Water | Low water, Dry |
| Soil | Limestone/chalky, sandy loam, limestone-based, calcareous, sandy, medium loam, clay loam, clay, caliche |
| Bloom | Bloom Mar-May |
| Height | Up to 60 cm tall |
| Wildlife value | Special value to native and bumble bees, attracts butterflies including hairstreaks and elfins, seeds toxic if ingested |
Genus Lupinus, especially seeds, can be toxic to humans/animals if ingested; sensitivity varies with age/weight/condition; children most vulnerable
Buying it
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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