Quick answer: Jerusalem artichoke (Helianthus tuberosus) is native to 9 states. What's commonly sold under this name is the true wild species. It's typically seeds, 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 |
| Soil | Moist to drying |
| Bloom | Aug-Oct |
| Height | Up to 10 ft |
| Wildlife value | Foliage/tubers eaten by livestock/deer; seed heads attract birds |
Invasive / regulated
Aggressive; escapes from garden settings and can become problematic if not managed
Buying it
Wild species
Sold true to the wild species as of the last check (16 Sep 2026), via Amazon.
Sold as: Seeds via Amazon · listing verified 16 Sep 2026
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