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, moist
- Soil pH
- neutral, alkaline
- Bloom
- March, April, May, June, July, August, September, October
- Bloom colors
- white, green
- Wildlife value
- butterflies, larval host, monarch host
- Landscape uses
- border, container, erosion control, naturalizing
- Native states
- AZ, CA, CO, ID, KS, NE, NM, NV, OK, TX, UT
Related native plants
More Asclepias species
- Common Milkweed (Asclepias syriaca)
- Butterfly Weed (Asclepias tuberosa)
- Swamp Milkweed (Asclepias incarnata)
- Green Antelopehorn (Asclepias viridis)
- Showy Milkweed (Asclepias speciosa)
- Narrowleaf Milkweed (Asclepias fascicularis)