Asclepias sullivantii - Sullivant's Milkweed
Sullivant's Milkweed (Asclepias sullivantii) is a long-lived perennial and is very similar to Common Milkweed. Sullivant's is less aggressive, and has completely smooth hairless leaves that are more succulent-like with a significant upward sweep. One to several stout stems produce large, domed clusters of pink or pinkish-white flowers at the top or on short stalks coming off the stem. It is a true prairie species that can withstand dry weather conditions, and after a few years the taproot will extend very deep which can make it difficult to move.
Soil Moisture: Moderate
Sun Exposure: Full Sun
Height: 3' - 4'
Spread: 1' - 2'
Hardiness Zone: 4 - 7
Bloom Color: Pink
Bloom Time: June, July, August
Attracts: Butterflies, Pollinators, Hummingbirds
Milkweed plants are mostly native to the United States and Canada with milky sap, fragrant flowers with five united petals, long narrow seed pods, and usually tufted seeds that travel on the wind. Many milkweed butterflies, including Monarch Butterflies, rely solely on milkweed plants to host their larvae. Milkweed gets its name from the acrid milky sap that exudes when the plant is damaged, and probably makes the milkweed butterflies distasteful to predators throughout all their life stages.
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