South Dakota Native Plant Research
Asclepias syriaca

Scientific Name

Asclepias syriaca


Download Seed: Brown seeds of common milkweed are 6-8 mm long. (59 KB)

Download Seedling: One month old seedling germinated in the research greenhouse at SDSU. (40 KB)

Download Vegetative: The leaves can be 10-19 cm long and 5-11 cm wide. (58 KB)

Download Flowering: Flowers are 11-17 mm tall. (89 KB)

Download Fruiting: The folliocles or pods are 7-11 cm long. (54 KB)

Family Name


Common Name

Common milkweed

Horticulture Notes

Seed Collection: Collect seed in late summer
Germination: Ethephon
Vegetative Propagation:
Soils: Sandy, loamy, or rocky
Light: Full sun
Water: Prefers moist areas

Asclepias syriaca