Asclepsias incarnata - Swamp Milkweed
Type: Perennial
Native Range: Native to New York and eastern North America
Sun: Full Sun to Partial Sun
Soil: Medium to Wet
Height: 3–5 ft
Bloom Time: July–August
Flower Color: Pink
Spacing: 18–24 inches
Deer Resistance: Low to Moderate
Pollinator Value: Very High
Host Plant: Monarch butterflies
Description
Swamp Milkweed (Asclepias incarnata) is a tall native perennial known for its fragrant clusters of pink flowers in mid to late summer. It naturally grows in moist meadows and along streambanks but adapts well to average garden soils. The flowers attract a wide variety of pollinators, and the leaves serve as an important host for monarch butterfly caterpillars. Swamp Milkweed is one of the best native plants for pollinator gardens and moist landscapes.
Ecological Benefits
Wildlife Value
Host plant for monarch butterfly caterpillars 🦋
Attracts native bees
Attracts butterflies
Supports beneficial insects
Important summer nectar source
Garden Uses
Pollinator gardens
Native plant gardens
Rain gardens
Meadow plantings
Moist borders
Why We Grow It
We grow Swamp Milkweed because it is one of the most valuable native plants for pollinators and monarch butterflies. It is adaptable, long-lived, and produces showy summer flowers that attract a wide variety of insects.