These permanent heat and drought tolerant plants produce large 6 inch clusters of vibrant flowers in shades of red, yellow, orange and bronze. They attract swarms of butterflies and are excellent for cutting. Grows to 3 feet tall and needs good drainage. A summer blooming perennial. Winter hardy to zone 3. Flowers are very attractive to butterflies as a nectar source. In addition, this plant serves as a food source for the larval stage of Monarch butterflies. Hardy in zones 3-9 Proper name: Asclepias tuberosa 'Gay Butterflies'