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Swamp Milkweed

Rose milkweed or swamp milkweed flowers
Photo credit: R. A. Nonenmacher

Rose Milkweed / Swamp Milkweed
(Asclepias incarnata)


  • 2 to 5 feet


  • June to August


  • Native
  • Perennial


  • Full sun

Soil moisture:

  • Medium to wet

Provides food for:

  • Butterflies (flowers)
  • Honey bees (flowers)
  • Native bees (flowers)
  • Hummingbirds (flowers, insects)
  • Caterpillars (foliage)
  • Songbirds (caterpillars and other insects)


  • In the wild, this milkweed is often found growing in wetter conditions; however, it does not need wet soils.
  • Grows well in most garden soils. May need a little water during long droughts.
  • Does not spread as much as common milkweed (Asclepias syriaca), making it a better choice for most garden settings.

Native Range:

USDA range map for swamp milkweed
Map credit: USDA Plants Database

Relevant Backyard Ecology Resources: