Quick answer: Bur oak (Quercus macrocarpa) is native to 24 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, Part Shade, Shade |
|---|---|
| Water | Dry-Wet |
| Soil | Sandy loam, clay loam, limestone-based soils |
| Bloom | Bloom Mar-May |
| Height | Up to 150 ft tall |
| Wildlife value | Attracts songbirds/ground birds/mammals, acorns feed birds/rodents/deer, larval host for Edwards Hairstreak and Horaces Duskywing |
Toxicity
Acorns and young leaves low toxicity if eaten. Symptoms: stomach pain, constipation then bloody diarrhea, excessive thirst/urination
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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