Quick answer: Sourwood (Oxydendrum arboreum) is native to 14 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 | Low water |
| Soil | Gritty, woodsy, acidic, well-drained soils |
| Bloom | Bloom Apr-Aug |
| Height | 30-70 ft, up to 100 ft |
| Wildlife value | Special value to honey bees, conspicuous flowers attractive to pollinators |
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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