Asclepias incarnata

Swamp Milkweed, Swamp Butterfly Weed, Marsh Milkweed

Family: Asclepiadaceae Milkweed


Type Perennial
USDA Hardiness range 3A - 8B
Exposure Partial shade to full sun
Bloom color Pink, purple
Bloom time Mid Summer to Mid Fall
Water needs Moist to wet
Landscape uses Border, foundation, massing
Height 30" to 4' / 75cm to 1.20m
Spread 12" to 24" / 30cm to 60cm
Growth rate Moderate
Persistence Deciduous
Bloom attributes Attracts butterflies, suitable for cut flowers, fragrant flowers
Leaf color Green
Fruit color Brown, green, yellow
Soil pH requirements Neutral
Soil type Loamy
Form Upright or erect
Attributes and features Attracts birds, attractive foilage, native to North America, invasive, naturalizing