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 currassavica
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 3 ft. tall, 2 ft. wide. Clusters of vivid red flowers.'Red Butterflies'
Flowers are bright orange-scarlet.
From tropical America, this perennial twining vine is commonly grown as an annual. Showy and ornamenta...
Rutabaga is a tasty turnip relative with large yellowish roots; its leaves are palatable only when ver...
California native. Erect, 1 to 4 ft. tall. Reddish stems, 1 to 1 3/4 -in.-long leaves, 1-in. flowers i...