Common Name
Swamp milkweed
Swamp butterfly weed
Marsh milkweed
Plant Form
Herbs
Duration
Perennial
Max Height (ft)
5.0
Width (ft)
2.0 -
3.0
Growth Rate
Medium
Region
Coastal
Piedmont
Mountain

Additional Info
Habitat: Native to wet sites but adapts to drier sites in moist clay or loam soils. Mid - late summer bloom, pink/mauve flowers. Does very well in average garden soil, particularly with some afternoon shade; tolerates heavy clay soils due to fibrous root structure. Tends to flop. Hard to move because of its deep taproot. Will inevitably have aphids, not usually harmful
Wildlife value: It is the larval host plant for Monarch larvae. Adult Monarch butterflies feed on nectar from all species of milkweeds. Its flowers are attractive to pollinators.
Flower Color
Red/burgandy
Cream/White
Pink
Flower Prominence
Conspicuous
Fragrant
Yes
Bloom Time
Early Summer
Late Summer
Fall
Bloom Month
July
August
September
Light Requirements
Full sun
Partial sun
Moisture Requirements
Wet
Moist
Soil Texture
Clay
Loamy
Good Choice for Public Spaces
Yes
Deer Resitant
Yes
Pollinators
Bees
Butterfiles
Hummingbirds
Monarchs
Number of Lepidotera Species Genus Supports
12
Tolerates
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