Asclepias sullivantii

Common Name: Sullivant's Milkweed

Plant Type: Herbaceous

Habitat: Prairie

Light Requirements: sun, part sun

Soil Moisture: mesic, dry

Soil Type: All

Height: 2 - 4 ft

Bloom Time: Summer

Flower Colour: pink and white

Seed Ripens: late summer

Germination Requirements: Seed will germinate upon being shifted to 70°F after 90 - 140 days of moist, cold stratification at 40°F. Seed requires light to germinate

Details/Comments: Larval plant for monarch. Good nectar plant. Rare in Ontario. Similar to common milkweed, but does not spread as aggressively.

Picture Copyright: Larry Allain @ USDA-NRCS PLANTS Database