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
- part shade
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- May, June, July, August, September, October
- Bloom colors
- yellow
- Wildlife value
- songbirds, butterflies, larval host, pollinators
- Landscape uses
- border, container
- Native states
- NM, OK, TX
Related native plants
More Senna species
- Lindheimer's Senna (Senna lindheimeriana)
- Wild Senna (Senna hebecarpa)
- Maryland Senna (Senna marilandica)
- Shrubby Senna (Senna wislizeni)