Botanical Name: Hibiscus syriacus
Common Name: Rose of Sharon, Shrub althea Type of Plant: dicot: shrub Character deciduous Habit of Growth: Overall Shape upright and compact when young, becoming loose and open with age, can become tree-like with pruning Height 8-12' Spread 8-12' Growth Rate moderate Environment: Exposure outdoors full sun to partial shade Soil prefers a moist loam; tolerates poorer soil than H. rosa-sin. Hardiness hardy (zones 2-24); thrives in cold climates Morphology: Leaves simple palmate, rhomboid to ovate shape 3-lobed, coarsely-toothed; prominent vein pattern Flowers single or double flowers to 3" across white, pink, purple solitary on stem Fruit small brown capsule – 5 valved 1/2" across Propagation: hardwood cuttings, grafting, seed Usage: shrub borders, for late season color in mass plantings, background plant; widely used in Eastern United States Landscape Care: Watering moderate watering, tolerates drought when established Fertilizing balanced acid fertilizer in spring Pruning head back previous season's growth to 2 buds in winter Pests/Diseases giant whitefly, whitefly, aphid, foliar nematode Special Conditions/Other Origin: East Asia Family: Malvaceae Notes: |
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