Narrowleaf Milkweed
Asclepias fascicularis

California's most widespread milkweed and a vital western monarch host, with whorled needle-like leaves and pale flower clusters. Thrives even in heavy, dry valley soils.
- Family
- Apocynaceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 1–3 ft
- Spacing
- 1–2 ft apart
- Light
- sun
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- June, July, August, September
- Bloom colors
- white, pink, green, purple
- Wildlife value
- monarch host, larval host, pollinators, butterflies
- Landscape uses
- border, erosion control, naturalizing
- Native states
- CA, ID, NV, OR, WA
Related native plants
More Asclepias species
- Common Milkweed (Asclepias syriaca)
- Butterfly Weed (Asclepias tuberosa)
- Swamp Milkweed (Asclepias incarnata)
- Green Antelopehorn (Asclepias viridis)
- Antelope Horns (Asclepias asperula)
- Showy Milkweed (Asclepias speciosa)