Rush Milkweed
Asclepias subulata
Rush milkweed is a nearly leafless desert milkweed of green pencil-like stems, blooming through much of the year. An essential monarch host and nectar source in the hottest, driest Southwestern gardens.
- Family
- Apocynaceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 2–4 ft
- Spacing
- 2–3 ft apart
- Light
- sun
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- April, May, June, July, August, September, October, November, December
- Bloom colors
- white, yellow
- Wildlife value
- pollinators, butterflies, monarch host, larval host
- Caterpillar hosts
- ~12 butterfly & moth species
- Landscape uses
- border
- Native states
- AZ, CA, NV
Related native plants
More Asclepias species
- Common Milkweed (Asclepias syriaca)
- Butterfly Weed (Asclepias tuberosa)
- Swamp Milkweed (Asclepias incarnata)
- Antelope Horns (Asclepias asperula)
- Green Antelopehorn (Asclepias viridis)
- Showy Milkweed (Asclepias speciosa)