Tufted Milkweed
Asclepias nummularia
- Native to:
- Mexico, United States
iNaturalist: © mlgray12 (iNaturalist #7302592)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Asclepias
- Species:
- Asclepias nummularia
- USDA Symbol:
- ASNU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may,jun,jul
- Bloom Colors:
- white, greenish-white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, Monarch butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from rootstock after fire. Common in fire-maintained grasslands and desert scrub communities.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Seeds require light for germination. Surface sow or barely cover with soil.
The above propagation data sourced from Claude AI