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Hibiscus syriacus ‘Diana’ (photo courtesy of Linda Lamb Peters)
Hibiscus syriacus ‘Diana’ (photo courtesy of Linda Lamb Peters)

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Zone
Zones 23, 24, H1, H2
Full Sun
Full
Regular Water
Moderate

Hibiscus brackenridgei

Malvaceae
Evergreen, Shrubs, Trees, Flowers

HIBISCUS

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).

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