The butterfly milkweed is found in dry sandy locations in North America. It is a perennial that grows in full sun, sandy, and well-drained soil. The flowers are orange-yellow clusters. They are trumpet shaped and each individual flower is a 1 / 4" across, which bloom in the months from June to August. It takes about three years to develop a colorful flower display. This plant can grow to three feet in height and two feet wide. The butterfly weed earned its name because its abundant flowers attract butterflies. Butterfly weed competes with grasses. This plant prefers good drainage and little summer water.
-Manda Cattaneo Agro / Hort 100, Spring 2000