Broadleaf Milkweed
Asclepias latifolia
- Native to:
- Mexico, United States
Wikimedia: Jackvanschaik





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Asclepias
- Species:
- Asclepias latifolia
- USDA Symbol:
- ASLA4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white, cream, 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)
Reported Fauna Sightings
Butterflies:⚠️Monarch butterfly (Danaus plexippus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds, specialist insects
- Deer Resistant:
- Yes
- Fragrant:
- Yes
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. Germination improved with cold stratification.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI
ORGHPS Germination Guide: Should not need chilling