Boone County Arboretum
9190 Camp Ernst Road
Union, Kentucky 41091
Phone: (859) 384-4999
Fax: (859) 384-6888
arboretum@boonecountyky.org

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Dawn - Dusk
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Cultural Details for Hibiscus syriacus 'Helene'

Common Name:
Helene Rose-of-Sharon

Growth Rate:

Average Mature Height:
8-12'

Average Mature Width:
6-10'

Flower Details:
Perfect, 5-petal, white with reddish purple blush at base, white, red, purple, 2-4", borne individually or in pairs, heavy flowering in August

Fruit Details:
little if any fruit; 5-valved, upright, brown capsule, persists through winter

Fall Color:
Poor yellow

Bark Details:

Disease / Insect Problems or Resistance:
Leaf spots, bacterial leaf spot, blights, canker, rust, Japanese beetle, mining scale, foliar nematodes, white fly

Native Habitat:
China, India

Other Features:
Late season flowers

Culture and Care:
Most soils, prefers moist, well drained, prefers hot weather

This plant was blooming:
7/2/2010 - 8/20/2010
8/17/2007 - 8/31/2007

Plantings of this cultivar at Boone County Arboretum:
Bed 72

    The information on this page may have come from one or more of the following sources:
  • Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
  • Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
  • North Carolina Extension Plant Fact Sheets. www.ces.ncsu.edu
  • University of Connecticut Plant Database. www.hort.uconn.edu