Clusterspike False Indigo
Amorpha herbacea
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–36" H × 12"–24" W
Bloom
May, Jun, Jul
Native to
AL, FL, GA, NC and 1 more states
Pollinators
bees, butterflies
Clusterspike false indigo is a compact native perennial that produces distinctive upright spikes of small purple flowers from May through July. This drought-tolerant plant forms neat clumps and goes dormant in winter, returning reliably each spring with fresh growth.
In an HOA neighborhood
Clusterspike False Indigo is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Dies back completely in winter
Wildlife value
The flowers attract native bees and butterflies during the extended summer bloom period. As a legume, it also helps fix nitrogen in the soil naturally.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Clusterspike False Indigo fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.