Seeds from Apocynum androsaemifolium Spreading dogbane. Butterfly magnet for all types of butterflies. Bell-shaped flower, pink to white with pink stripes on the inside, 1/3 inch long, with 5 flaring lobes that curl back. Flowers are in groups of 2 to 10 at the end of stems in zones 3 to 9b. This 3 foot plant is popular with small insect pollinators. These gorgeous cream to pink blossoms are and like full to part sun. This variety tolerates very dry conditions very well.