Quick answer: Pink evening primrose (Oenothera speciosa) is native to 8 states. What's commonly sold under this name is the true wild species. It's typically seed, 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 |
|---|---|
| Water | Low-Medium water, Dry-Moist |
| Soil | Well-drained soils, rich or poor - loams, clays, sand, caliche, rocky, gravelly |
| Bloom | Bloom Feb-Jul |
| Height | Up to 2 ft tall |
| Wildlife value | Seed capsules attract birds and mammals, nectar source, special value to native bees |
Invasive / regulated
none noted formally, but escapes from cultivation and can become aggressive/require dividing per growing notes
Buying it
Wild species
Sold true to the wild species as of the last check (16 Sep 2026), via Amazon.
Sold as: Seed via Amazon · listing verified 16 Sep 2026
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