Quick answer: Indigo bush (Amorpha fruticosa) is native to 37 states. What's commonly sold under this name is the true wild species. It's typically seed, verified 15 Sep 2026.
Photo: Dalgial, Wikimedia Commons (CC BY-SA 3.0)
Where it's native
Listed in the directory 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 |
Can be weedy or invasive in the Northeast; forms thickets on riverbanks and islands
Buying it
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
See where to buy →Quick answers about Indigo bush
Where is Indigo bush native?
Indigo bush (Amorpha fruticosa) is native to 37 states across the Northeast, Midwest, South and West. Check your state's page in this directory for the full list of plants native where you live.
When does Indigo bush bloom?
Indigo bush blooms Apr-Jun. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Indigo bush need?
Light: Sun, Part Shade. Water: Low water, Dry-Moist. Soil: Sandy, sandy loam, medium loam, clay loam, clay soils. Mature height: 6-12 ft tall.
Is Indigo bush good for pollinators and wildlife?
Yes. Wildlife value: Nectar for bees/butterflies/insects, larval host for Silver-spotted Skipper/Southern Dogface/California Dogface/Gray Hairstreak/Hoary Edge, high deer resistance.
Is Indigo bush deer-resistant or drought-tolerant?
Indigo bush is deer-resistant and drought-tolerant.
Where can I buy real Indigo bush seed or plants?
We found a listing sold as seed that names the true species, last checked 15 Sep 2026. Look for the scientific name Amorpha fruticosa on any listing.
Similar native plants
Native plants that share growing conditions or range with Indigo bush.
- Indiangrass Sorghastrum nutans
- Sideoats grama Bouteloua curtipendula
- Big bluestem Andropogon gerardii
- Little bluestem Schizachyrium scoparium
- Switchgrass Panicum virgatum
- Whorled milkweed Asclepias verticillata
Also listed under
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