Aquatic milkweed

plant profile

Aquatic Milkweed (Asclepias perennis) is an erect perennial boasting flat umbels packed with up to 20-50 white starry flowers, often pinkish along the undersides towards their tips. Blooming from late spring to fall for about 4-8 weeks, the mildly fragrant flowers are a great source of nectar for butterflies, bees, and other beneficial insects.


Plant Type: Perennial

Mature Size: 18 – 24 inches

Roots: Taproot

Exposure: Full Sun

Bloom Time: May – September

Soil Type: Clay, Loam, and Sand

Soil Texture: Moist Soil

Water Needs: High

Maintenance: Medium