Annuals, Perennials, Flowers
Milkweeds (so named for their milky sap) are the best-known representatives of this group of plants. Bloom in summer, typically bearing many small, starlike flowers in broad, flattened clusters at branch tips. All have inflated seedpods with silky seeds. Just a few species are cultivated in gardens.Asclepias curassavica
Zones 8, 9, 12–24; H1, H2; all zones as annual. Native to South America. Woody-based plant with stiff stems and narrow 6-in. leaves; grows to 3 ft. tall, 2 ft. wide. Clusters of vivid red flowers.‘Red Butterflies’
Flowers are bright orange-scarlet.
Thought to have originated in Africa. The principal types cultivated in the West are muskmelons (&ldqu...
This Mediterranean native annual is widely grown for use as a fresh or dried cut flower. Grows to 1 1/...
Mediterranean native. Old-fashioned favorite grows to 1–1 1/ 2 ft. tall and 10 in. wide. All lea...