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.
Compact, bushy, to 1 ft. high and wide. Blooms from summer into fall; flowers look like miniature glox...
Low foliage mounds about a foot wide. Flower stems, 1–2 ft. topped with white blossoms in summer...
Cool-season cabbage relative. Leaves and leafstalks are edible, but edible part most commonly associat...