Prairie Milkweed
Asclepias sullivantii
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Asclepias
- Species:
- Asclepias sullivantii
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 3-4 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun, jul, aug
- Bloom Colors:
- Pink
Native Range
United States: Arkansas, Iowa, Illinois, Indiana, Kansas, Michigan, Minnesota, Missouri, North Dakota, Nebraska, Ohio, Oklahoma, South Dakota, Wisconsin, Canada: Ontario
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
Reported Fauna Sightings
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (neutral to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers prairies and open meadows
Germination Information
Pre-treatment: Seeds are placed in cold moist stratification for 150 days or damp stratified by mixing with equal amounts of vermiculite and lightly dampening in a plastic bag or container. Store this seed for 3-4 months in a cold room of 34-36 degrees F.
Establishment: The plant flowers from approx. June 19 to July 15. Seed is harvested July 30th. Found from southern Canada through the Great Plains to Missouri and Oklahoma and east to Ohio, Indiana, Illinois, and Iowa, and also ranges from Ontario to Minnesota, south to Ohio and Kansas.
Source: npn.rngr.net