Asclepias incarnata, Swamp Milkweed

Tried and True Native Plant Selections for the Mid-Atlantic

This stately milkweed is at home in moist habitats across much of the United States.* It has flat terminal clusters of pale pink to mauve to red-violet flowers in summer, succeeded by interesting seed pods that split to release seeds on silken parachutes.

Print Version: Asclepias incarnata, Swamp Milkweed

Asclepias incarnata

Learn more about other Mid-Atlantic plants: Tried and True Plant Fact Sheets


Tags: Lythrum salicaria & L. virgatum – Loosestrifes, Cleome hasslerana – Spider Flower (annual), Canna cultivars, Aster species, Hardiness: USDA Zones 3-6, Use in bogs or in butterfly or rain/water gardens, Moist, Wet, remove seed pods before they split open & unwanted shoots as they appear, Monarch eggs or larvae, Attracts numerous beneficial insects as well as hummingbirds; good for attracting native bees; larval host for the Monarch butterfly, Ethnobotanic uses; toxic when ingested without sufficient preparation or in sufficient quantity; may cause contact dermatitis, Tolerates clay soil, wet soils, temporary flooding, some drought/drier soils (once set); no serious pests or diseases; deer seldom severely damage, Lance-shaped, light green leaves emerge slowly in spring & in full sun may turn purplish by fall, Bloom Color: Pink to reddish, Height: 4-6 feet