False Indigo Bush
Amorpha fruticosa
False indigo bush is a fast nitrogen-fixing shrub with spikes of tiny purple flowers lit by orange anthers, a larval host for several butterflies. Tolerates wet or dry; can spread vigorously, so site with care.
- Family
- Fabaceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 6–12 ft
- Spacing
- 6–12 ft apart
- Light
- sun
- Soil moisture
- moist, wet, dry
- Soil pH
- neutral, alkaline, acidic
- Bloom
- May, June
- Bloom colors
- purple, blue
- Wildlife value
- pollinators, butterflies, larval host
- Landscape uses
- specimen, hedge or screen, rain garden, erosion control
- Native states
- AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NH, NJ, NM, NY, OH, OK, OR, PA, SC, SD, TN, TX, VA, VT, WA, WI, WV