Green Antelopehorn
Asclepias viridis
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Asclepias
- Species:
- Asclepias viridis
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- Less than 6 in
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr, may, jun, jul, aug, sep
- Bloom Colors:
- White, Yellow, Green, Purple
Native Range
United States: Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Missouri, Mississippi, Nebraska, Ohio, Oklahoma, South Carolina, Tennessee, Texas, West Virginia
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Host Plant for Caterpillars
⚠️Monarch butterfly (Danaus plexippus)
Reported Fauna Sightings
Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Southern plains bumble bee (Bombus fraternus), Southern plains bumble bee (Bombus fraternus)
Soil Requirements
- Soil Type:
- well-drained, sandy or rocky soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to prairies and open woodlands
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Notes: Seeds require light for germination; do not cover.
Source: OpenAI GPT-4o