Two-leaf Senna
Senna roemeriana
Two-leaf senna is a low, mounding Southwestern perennial covered for months in bright yellow flowers, a drought-proof native legume and larval host for sulphur butterflies in hot, dry, rocky gardens.
- Family
- Fabaceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 1–2 ft
- Spacing
- 1–2 ft apart
- Light
- sun
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- April, May, June, July, August, September
- Bloom colors
- yellow
- Wildlife value
- pollinators, butterflies, larval host
- Landscape uses
- border, container
- Native states
- NM, TX