Botanical Name

Asclepias incarnata

Commonly known as Swamp Milkweed

Asclepias incarnata (Swamp Milkweed)
Perennial

Soft mauve-pink clusters that monarch butterflies seek out for egg-laying. Thrives where it's consistently wet.

Quick Reference
Bloom Season
Jun to Aug
USDA Zones
3-7
Sun
Full Sun or Part Sun
Water
High - consistently moist
Mature Height
3-4'
Bloom Colors
Pink
Native Species Pollinator Friendly Hummingbird Magnet Cut Flower
Read the full Swamp Milkweed growing guide →

Companion plants, planting tips, FAQ, and more

About This Name

Asclepias incarnata is the scientific name used by botanists, nurseries, and seed catalogs to identify Swamp Milkweed unambiguously. The genus Asclepias places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Swamp Milkweed, looking up plant care details, or comparing varieties, searching by Asclepias incarnata will give you the most precise results.