Asclepias tuberosa

Common Name: Butterfly Milkweed
 
Soil: Dry  Dry-Mesic  Mesic  
Height: 1.5 ft - 3 ft
Blooming: Jun Jul

Best growth in full sun. Typically found in sandy soil or on slopes. Very robust tap root and extremely drought tolerant. Excellent nectar producing species that attracts many bees, wasps, butterflies, and moths. A favorite of Fritillaries. Often listed as unpalatable to mammals due to bitterness and cardiac glycosides, but I have witnessed browsing damage multiple times. A host to many insect herbivores.

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