Swamp Milkweed

Asclepias incarnata

Swamp Milkweed is a perennial for focal point, mid-border, suited to full sun to partial shade and clay, loam or moist ground, flowering Jul, Aug, Sep.

Where to use it in a border

At around 120 cm, it sits best toward the back of a border, or on its own as a focal point with room around it. Give it about 60 cm of room to spread. It is hardy across USDA zones 3a to 9a, so check it suits your area before planting.

It appears in our lists of full sun, clay soil, wet soil, pollinator-friendly plants.

Border Builder uses Swamp Milkweed's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.

Flowering through the year

Worth knowing

• It copes with ground that stays wet, which most border plants will not.
• Not recorded as pet-safe; site it away from pets that graze if that matters to you.
• Its flowers are valued by bees and other pollinators.

Good companions

Plants that share its conditions and style, chosen to complement its place in the border:

• Aromatic Asterto edge in front
• Blanket Flower 'Arizona Sun'to edge in front
• Bunchberryto edge in front
• Canada Mayflowerto edge in front
• Chokecherryfor height behind it
• Giant Ironweedfor height behind it

Garden styles

Meadow Native Wildlife garden