Rose of sharon is a deciduous flowering shrub.
USDA Plant Hardiness Zones for Rose of Sharon:
The climate is most favorable for growing rose of sharon bushes in USDA plant hardiness zones 5-9.
Characteristics of Rose of Sharon:
Generally speaking, rose of sharon bushes can get 8'-10' tall and have a spread of 4'-6'. However, some cultivars stay shorter (e.g., Hibiscus syriacus 'Minerva' reaches only 5'-8'). Blooms on rose of sharon can be white, red, lavender or light blue; some have double blooms. Most rose of sharon bushes bear small, deeply-lobed, light-green leaves (may vary according to cultivar).
Pruning Rose of Sharon:
Although naturally a multi-stemmed shrub, rose of sharon can be trained through pruning (in late winter) to have simply one main trunk; thus some people refer to it as rose of sharon "tree." It's easiest to give rose of sharon its desired shape by pruning it accordingly during its first two seasons. It can also be trained for espalier.
Sun and Soil Requirements for Rose of Sharon:
Rose of sharon prefers full sun and well-drained soil. Older rose of sharon bushes may fall prey to fungal damage if grown in areas without full sun.
Uses for Rose of Sharon in Landscape Design: