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Zone
Zones 2-24, 28-41, H1
Full Sun
Full
Regular Water
Moderate

Hibiscus syriacus 'Helene'

Malvaceae
Deciduous, Shrubs

HIBISCUS

Among the showiest flowering plants. Plants typically bear funnel-shaped blossoms, often with prominent stamens. The many species offer a wide range of flower colors.

Hibiscus syriacus

From eastern Asia. To 10–12 ft. tall and 6 ft. wide. Upright and compact when young, spreading and open with age. Easily trained to a single trunk with a treelike top or as an espalier. Sometimes kept trimmed as a hedge. Leaves to 4 in. long, often three lobed, coarsely toothed. Leafs out later in spring than most other deciduous shrubs; foliage drops in fall without coloring.

Blooms from mid- or late summer until frost, resembling a bush covered with hollyhocks. Blossoms are single, semidouble, or double, 1 1/2–3 in. across; some have a conspicuously contrasting red to purple throat. Single flowers are slightly more effective, opening somewhat wider, but they tend to produce many unattractive capsule-type fruits—which in turn produce many unwanted seedlings.

Easy to grow. Prefers heat, tolerates some drought. Prune to shape; for bigger flowers, cut back previous season’s growth in winter, cutting down to two buds. Where winter temperatures drop to –10°F/–23°C or lower, protect young plants with a winter mulch for first few years.

'Helene'

White flowers with deep red eye. Long bloom season; sets little or no seed.

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Hibiscus syriacus 'Blushing Bride'

Soft pink double flowers.

Hibiscus syriacus 'Aphrodite'

Long-blooming shrub bears rose pink flowers with a deep red eye. Sets few or no seedpods.

Hibiscus syriacus 'Collie Mullens'

Double lavender pink blooms.

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