Quick answer: Indigo bush (Amorpha fruticosa) is native to 16 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 |
|---|---|
| Water | Low water, Dry-Moist |
| Soil | Sandy, sandy loam, medium loam, clay loam, clay soils |
| Bloom | Bloom Apr-Jun |
| Height | 6-12 ft tall |
| Wildlife value | Nectar for bees/butterflies/insects, larval host for Silver-spotted Skipper/Southern Dogface/California Dogface/Gray Hairstreak/Hoary Edge, high deer resistance |
Invasive / regulated
Can be weedy or invasive in the Northeast; forms thickets on riverbanks and islands
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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