Asclepias incarnata (Swamp Milkweed)


Type: Forb

Area: Wetland

Height: 2-6′

Bloom Months: July, August

Color: Rose

Sun: Full Sun

Moisture: Wet-Mesic

Soil: mucky clay, rich loam, or silt with rotting organic material

Host: Danaus plexippus (Monarch), Danaus gilippus (Queen)

Attracts/Benefits: Skippers, Various Butterflies including Swallowtails, Greater Fritillaries, Monarchs, Hummingbirds, Bees, Bumblebees, Honeybees, Wasps

Photo credit:  Sallie Krebs, Possibility Place, Sharon Yiesla


10 in stock

SKU: 678 Category:


Description from Possibility Place: This milkweed has deep pink to mauve flower umbels sitting atop sturdy stems with smooth, lance-shaped leaves.  It is less aggressive and shorter than Asclepias syriaca, but suitable for nearly as many growing conditions.  It has a bunch growth habit, and its rapid growth rate allows it to fill in quickly in the landscape. It prefers wet areas, but is tolerant of drier conditions as well.  As with all milkweeds, it is a host for the Monarch caterpillar and many other pollinators.

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Click here for the native pollinators that feed on Asclepias incarnata.

Companion plants that go well with Asclepias incarnata are native irises, sneezeweed, mountainmint, joe pye weed, boneset, sunflowers and marsh blazing star.


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