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Pink Swamp Milkweed | Asclepias incarnata | Rose Milkweed | Pink Milkweed
Pink Swamp Milkweed is a robust, sun-loving native perennial selected for its striking, flat-topped clusters of vanilla-scented, rosy-pink flowers. This high-utility selection delivers an upright, clumping habit and serves as an essential, life-sustaining host plant for Monarch butterfly caterpillars. Its nectar-rich blossoms reliably draw a wide diversity of bees, butterflies, and hummingbirds, making it a hardworking addition to rain gardens, wetland perimeters, mass plantings, and sunny landscape borders. Built for performance and ecological support, Pink Swamp Milkweed provides rugged durability and consistent summer color with minimal maintenance, grounding the garden with reliable plants that nourish the body, the soul, and the local ecosystem.
Growing Pink Swamp Milkweed
Light: Full sun; requires direct sunlight to produce the strongest stems and maximum bloom production.
Soil: Moist to wet soil; highly adaptable to heavy clay and poorly drained soils, but it performs surprisingly well in average garden soils as long as it is not allowed to dry out completely.
Water: Moderate to high; water regularly to keep the soil consistently moist. It thrives in wet environments and can even tolerate seasonal flooding or standing water.
Maintenance: Low maintenance. Deadheading spent flowers can prolong the blooming season but will prevent the formation of the distinctive, elongated seed pods that split open to release silky-haired seeds in the fall. Note that it develops a deep taproot, making it difficult to transplant once established.
Wildlife: A critical host plant for Monarch caterpillars; highly attractive to adult butterflies, bees, and hummingbirds. Generally resistant to deer and rabbits due to its toxic, milky sap.
Hardiness: Herbaceous perennial in USDA zones 3–9.
Shipping Info
Pink Swamp Milkweed plants are shipped as healthy young starts in 4" nursery pots. Allow 1–2 weeks after arrival for plants to recover from shipping and resume active growth before repotting or planting outdoors.
Growing Zones
3 - 9
Low Temperature
-40°F
High Temperature
+90°F
Fragrant
Highly Fragrant
Polinator Required
No
Polinator Friendly
Yes
Flower Color
Pink White
Growth Rate
Moderate to Fast
Soil
Prefers rich, fertile, moist to wet soils; tolerant of heavy clay and average garden soil if kept moist
Moisture
Moderate
Sun Exposure
Full Sun to Partial Shade
Mature Spread
24 to 36 inches
Mature Height
36 to 60 inches
Bloom Period
Summer
Pruning Time
Generally requires no pruning but seed pods can be removed before they split in late fall if seed dispersal is not desired
Pet Safe
No
Perennial / Annual
Perennial
Evergreen / Deciduous
Herbaceous
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