Smoke Tree
Psorothamnus spinosus
Smoke tree is a nearly leafless, gray, spiny desert tree that looks like drifting smoke until it bursts into indigo-blue flowers, a spectacular nitrogen-fixer of desert washes.
- Family
- Fabaceae
- Type
- tree
- Lifespan
- perennial
- Height
- 10–25 ft
- Spacing
- 10–20 ft apart
- Light
- sun
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- May, June, July
- Bloom colors
- blue, purple
- Wildlife value
- pollinators, butterflies, larval host
- Landscape uses
- specimen, hedge or screen
- Native states
- AZ, CA, NV