Asclepias Incarnata AKA Swamp Milkweed, Rose Milkweed, Rose Milkflower, Swamp Silkweed.
Native to North America, grows well in damp to moist soil
Grows to 40 to 60 inches tall
Leaves grow 3 to 6 inches long, 1/2 to 1 1/2 inches wide
Beautiful clusters of pink, purple, white flowers
Full sun to partial shade