- Category
- Tree / Shrub / Vine
- Sun
- Full to Partial
- Soil moisture
- Medium-Wet to Dry
- Bloom time
- Jun–Aug
- Bloom color
- Purple
- Notes
- Legume, Aggressive
About False Indigo
False Indigo, also known as Desert False Indigo or Indigo Bush, is a versatile and fast-growing shrub that bridges the gap between wetlands and dry uplands. This adaptable native typically reaches 6 to 15 feet in height and features elegant, pinnately compound leaves. In late spring to early summer, it produces dense, upright spikes of fragrant, dark purple flowers with prominent orange-tipped stamens. Native to riverbanks, lake margins, and wet prairies across much of North America, it is equally at home in garden settings. It is a powerhouse for wildlife, serving as a host plant for the Silver-spotted Skipper and providing nectar for numerous bee species. Because of its nitrogen-fixing capabilities and vigorous growth, it is often used for erosion control and windbreaks. False Indigo thrives in full sun to partial shade and is remarkably tolerant of both flooding and drought. It can be pruned back hard in late winter to maintain a more compact, shrub-like form in smaller gardens.
Native range
Native to 47 states:
County range map

Range map courtesy of BONAP (Biota of North America Program).
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