Quick answer: Maximilian sunflower (Helianthus maximiliani) is native to 3 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 water, Dry-Moist |
| Soil | Moist clay-like soil, tolerant of wide range including limestone, sand, loam, clay |
| Bloom | Bloom Aug-Nov |
| Height | Up to 10 ft tall |
| Wildlife value | Palatable to deer, seeds eaten by birds, nectar for bees/butterflies, special value to native and honey bees |
Invasive / regulated
Naturalized eastward and occasionally westward beyond native range; not formally regulated.
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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