Asclepias incarnata

Common name: Swamp Milkweed

Native plant

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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Price Level: 
Perennial- Standard
Sizing Options: 
Flat of 32 (plugs)
Flat of 18 (pints)
1 Gallon


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Plant Details

Plant type


Soil type

Mesic (Not too Wet Not too Dry), Moist Mesic, Wet

Light exposure

Full Sun

Bloom period


Urban environment

Yards that Flood


Floodplain, Prairie Grasslands, Wetlands

Growth form


Growth rate


Flower color


Fall color



Mature height
3 Feet
Mature width
2 Feet
Max height
4 Feet
Max width
3 Feet

Additional information

Butterfly host plant Pollinator hot spot

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