Swamp Milkweed
Asclepias incarnata L. - Milkweed familySize
Mature Height: Up to around 4.9 feet
Planting Distance: 29 inches
Plant Type: Forb/herb
Root Depth: 18 inches
Growth Form: Rhizomatous
Growth Rate: Moderate
Features
Flower Color: Red
Conspicuous Flowers: Yes
Bloom Time: Fall
Seasonal Growth: Spring
Evergreen: No
Fall Colors: No
Conditions
Shade Tolerance: Intolerant
Clay Soil Tolerance: Yes
Sandy Soil Tolerance: No
Drought Tolerance: None
Flood Tolerance: High
Fire Tolerance: Low
Salt Tolerance: None
Ecosystem Interactions
Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Moths; Butterflies; Monarchs; Nesting and Structure (Bees); Larval Host (Monarch); Larval Host (Butterfly); Larval Host (Moth); Hummingbirds
Larval Species depending on Swamp Milkweed: Danaus gilippus, Danaus plexippus, Trichordestra legitima
Native Range
- USA: Alabama, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, West Virginia, Wisconsin, Wyoming
- CAN: Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward I., Québec
- MEX: Mexico Northeast
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.