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Rose of Sharon

Botanical Name
Hibiscus syriacus
Min Zone
5
Max Zone
8
Height
8 to 12 feet
Width
6 to 10 feet
Flowers
Summer to fall: blue, lavender, pink, white; single and double forms
Light
Full sun to part shade
Soil
Moist, well-drained, organically rich
Planting & Care
  • Plant balled and burlapped shrubs as soon as possible after purchasing
  • Plant container grown plants in spring or early summer to allow them to establish before winter
  • Prune yearly to remove dead wood and increase flower size
  • Prune the main branches and shorten side shoots to 2 to 3 buds for an impressive flower display
  • Can be severely damaged or killed in extremely cold winters
  • Provide winter protection in the first couple of years, wrap with burlap or hardware cloth filled with evergreen boughs
Problems
Leaf spot, blights, canker, rust, aphids, Japanese beetles, scale, nematodes, whitefly
Varieties
  • Blue Bird - 3 inch, light blue flowers with red throats
  • Minerva - 4 to 5 inch lavender flowers tinged in pink
  • Helene - white flowers with reddish-purple throat

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