Growing Your Garden: Swamp Milkweed

At Home with the Gardens

Swamp Milkweed (Asclepias incarnata)

Includes ‘Cinderella,’ ‘Ice Ballet,’ ‘Soulmate,’ and other cultivars!

asclepias incarnata mid 4

Type: Perennial

Hardiness: Zones 3-8 

Sun: Full (6+ hours)

Soil moisture: Easily grown in medium to wet soil

How to Grow: Sow this seed in late fall or winter; lightly press into surface of soil or growing mix, barely cover 

Bloom Time: July-August 

From One of Our Horticulturists: “Swamp milkweed is a native species that plays a huge role in the life cycle of the Eastern monarch butterfly. The monarchs heavily rely on this native species as a food source, also known as a host plant for monarch caterpillars. Swamp milkweed is an adaptable species and is an overall reliable performer.” – Alicia Miller

Find these Coastal Maine Botanical Gardens seeds in Gardenshop!

The mission of Coastal Maine Botanical Gardens is to inspire meaningful connections between people and nature and promote plant conservation through horticulture, education, and plant science.

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