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Helene Rose of Sharon

Hibiscus syriacus 'Helene'

Sku #0226

White, heavily ruffled flowers with reddish purple eyes complement handsome, leathery dark green leaves. Dense, upright growth is more compact than others. Blooms nearly continuously over a long season, and rarely sets seeds. Tolerates air pollution. Makes a wonderful informal hedge or screen, and is easily trained into a small tree. Deciduous.

  • Light Needs
    Partial to full sun

    Light Needs

  • Water Needs
    Water regularly - weekly, or more often in extreme heat or containers.
  • USDA Zone ?
    There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden. Learn More
    5 - 9

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Detail
Key Feature
Elegant Summer Flowers
Light Needs
Partial to full sun
Landscape Uses
Border, Coastal Exposure, Container, Cutting Garden, Firescaping/Fire Wise, Hedge, Mass Planting, Privacy Screen, Specimen, Urban Garden
Watering Needs:Water regularly - weekly, or more often in extreme heat or containers.
Botanical Pronunciation:hi-BIS-kus si-ri-A-kus
Plant type:Shrub
Deciduous/evergreen:Deciduous
Growth rate:Moderate
Average landscape size:Moderate growing; reaches 6 to 9 ft. tall, 6 ft. wide.
Special features:Compact Form, Tolerates Urban Pollution, Waterwise
Foliage color:Green
Blooms:Summer
Flower color:Multicolored
Flower attributesFlowers for Cutting, Long Bloom Season, Showy Flowers
Garden styleContemporary, Cottage, Rustic
Companion PlantsHydrangea (Hydrangea); Viburnum (Viburnum); Lilac (Syringa); Lavender (Lavandula); Phlox (Phlox)
Care
Care Information
Adaptable to most well-drained soils except very wet or dry. Water deeply, regularly in first growing season to establish root system. Once established, reduce frequency; tolerates brief periods of drought. Feed before new growth begins in spring. Prune after flowering to shape and promote vigorous new growth.Pruning time: late fall or winter.
History & Lore
History:
A U.S. National Arboretum Plant Introduction, Helene is a sterile triploid with a more compact form than the species Hibiscus syriacus. In 1971, a number of crosses were made between diploid Hibiscus seedling selections of (H. syriacus 'Suminokura-yae' x H. syriacus 'William R. Smith'),(H. syriacus 'Blue Bird' x H. syriacus 'Hanagasa'), or (H. syriacus 'Sokobeniyae' x H. syriacus 'William R. Smith') and colchicine-induced tetraploid seedlings ofH. syriacus 'William R. Smith'. The resulting triploids, 'Helene', 'Minerva', and 'Aphrodite' were released in 1980, 1986 and 1988, respectively.
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This Plant’s Growing Zones: 5 - 9

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