Swamp Milkweed is a herbaceous perennial plant species native to North America. It grows in damp to wet soils and also is cultivated as a garden plant for its flowers, which attract butterflies and other pollinators with nectar. Like most other milkweeds, it has sap containing toxic chemicals, a characteristic that repels insects and other herbivorous animals. Native variety.
EXPOSURE: Full Sun
BLOOM TIME: Summer
SIZE: 3-5' x 24"
HARDINESS: Zone 3