Redring Milkweed
Asclepias variegata
- Native to:
- Canada, United States
Eric Hunt






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Asclepias
- Species:
- Asclepias variegata
- USDA Symbol:
- ASVA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white, pink, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
⚠️Monarch butterfly (Danaus plexippus)
Reported Fauna Sightings
Butterflies:American Lady (Vanessa virginiensis), ⚠️Monarch butterfly (Danaus plexippus)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees, hummingbirds
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fall Color:
- yellow
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from underground rhizomes after fire or top removal. Benefits from periodic disturbance in woodland settings.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open woodlands and forest edges
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Seeds benefit from cold-moist stratification. Germination is typically reliable and uniform with proper stratification.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Notes: Light required for germination; do not cover seed.
Source: Claude AI
ORGHPS Germination Guide: Should not need chilling