Asclepias syriaca, or Common Milkweed is native to Tennessee and is essential for the survival of monarch butterflies, serving as the primary host plant for their larvae. This variety of milkweed features clusters of fragrant, pinkish-purple flowers that bloom from late spring to midsummer. Not only does it attract monarchs, but it also invites a variety of pollinators with its nectar-rich flowers. Care Common Milkweed does best in full sun, well-drained soils. Requires moderate watering in the first year, but once established, it is drought-tolerant. Cut back in late fall to remove spent stems and control self-seeding. Best grown in zones 3 - 9. Growth Habit Deciduous. Plants can grow 3 to 5 feet tall. Fragrant flowers in colors of green, pink, white, and purple or lavender will last from June through August. Toxicity The bark, flower, seed pods, leaves, roots, and stems are poisonous, which can be a problem for cats, dogs, and horses.Deer resistant.