Evergreen, Shrubs, Trees, Flowers
Big, brilliant flowers on plump shrubs rank this among the showiest flowering shrubs in Western gardens. Some are very tender tropical species grown in Hawaii, others very hardy. Plants typically bear funnel-shaped blossoms, often with prominent stamens.
Giant whitefly is the most important pest of hibiscus in central and Southern California, coating the undersides of leaves with wax and eventually defoliating the plant. A parasitoid wasp has been released to control it, and research continues on its control.Hibiscus brackenridgei
Shrub or tree. Native to Hawaii, and the official state flower there. Plant grows to 8–15 ft. tall and about half as wide, with a profusion of large, pure yellow flowers borne in spring and early summer. Somewhat short-lived (4 to 6 years in the wild).
Native to Taiwan. Grows to 20 ft. tall with equal or greater spread, but is easily kept smaller with p...
Native to Hawaii; widespread in the Pacific Islands and China. There are many forms of this plant, fro...
Shrubby grower to 6–10 ft. tall and wide, often with a few vining stems. Leaves are somewhat dow...