SCIENTIFIC NAME: Asclepias incarnata
COMMON NAME: Swamp Milkweed
GARDEN SIZE: 3-4 feet tall x 2-3 feet wide
GROWTH RATE: Moderate
USDA ZONE: 3 to 6
EXPOSURE: Full Sun
WATER & SOIL: Prefers well-drained medium to wet soil and has low to average water requirements. Tolerates clay soil.
HABIT (FORM): Clumping
FOLIAGE: Deciduous; Green, narrow 3-6" lance-shaped leaves
FLOWERS: White to pink clusters, fragrant. Blooms July through August.
FRUIT: Green seed pods up to 4 inches long that open to release seeds with silky tails.
PLANT ORIGIN: Native to northeastern and southeastern United States, including Tennessee.
WILDLIFE SUPPORT: Sole host plant for the monarch butterfly. Feeds native bees, moths, and butterflies. Attracts beneficial insects and hummingbirds.
FERTILIZING: Give a root stimulant or 4-3-3 fertilizer during initial planting, then feed lightly in late winter or early spring with compost or an organic fertilizer. Never use pesticides.
TOXICITY FLAGS: Toxic to dogs, cats, and horses. Not considered edible for humans. The white latex sap can also irritate the skin and eyes if touched.
USES: Meadows, prairies, pollinator gardens.
NOTE: Dried milkweed fibers can be used to make sturdy twine!