Asclepias tuberosa, commonly known as Butterfly Weed, is a vibrant, long-lived perennial native to North America. It is famous for its clusters of brilliant orange flowers that serve as a critical nectar source for pollinators and a host plant for Monarch butterfly larvae. • Suggested planting: 18–24 inches apart on center • Planting Location: Full Sun • Height: 20-36" • Blooms: Early to Late Summer • Bulb size: #1 • USDA Hardiness Zone: 3-9 • Click here for detailed planting instructions