Antelope Horns
Asclepias asperula
Antelope horns is a tough, low milkweed of dry plains and rocky ground, its greenish star-flowers in domed clusters and curved horn-like pods. A drought-proof monarch host for the South and Southwest.
- Family
- Apocynaceae
- 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
- Bloom colors
- green, white
- Wildlife value
- pollinators, butterflies, monarch host, larval host
- Landscape uses
- border, container, erosion control, naturalizing
- Native states
- AZ, CA, CO, KS, NM, NV, OK, TX, UT