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Genus Clerodendrum

Clerodendrum Clerodendrum trichotomun Photo/Illustration: S. Andrew Schulman
klare-oh-DEN-drum
Clerodendrum is a very large genus of 400 or so trees, shrubs, and vines from the subtropical and tropical woodlands of Africa and Asia. Their eye-catching flowers are the main garden attraction. Grow the shrubs in a border, the trees as specimens, and train the climbers on a trellis or archway. They may also be grown in a greenhouse.
 Noteworthy characteristics: Showy, sometimes fragrant, flowers.
 Care: In the garden, grow in full sun and fertile, humusy, moist but well-drained soil. In the greenhouse, grow in full light in a well-ventilated spot. Protect from hot sun. Water sparingly in winter.
 Propagation: Start seed indoors in spring at 55 to 64°F. May also be propagated from root cuttings in winter, semi-ripe cuttings in summer, or from suckers in spring or fall.
 Problems: Commonly bothered by whiteflies, mealybugs, and aphids. Galls, cankers, and leaf spots occur less often.

Species, varieties and cultivars for genus Clerodendrum

Clerodendrum trichotomum Clerodendrum trichotomum
(Harlequin glorybower) (1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large shrub offers a late-summer display of jasmine-like white flowers encased in red tepals and scent. Bright blue berries in autumn are accented by conspicuous bright, pinkish-red calyxes.