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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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Overview
Light Needs:
Partial to full sun
Watering Needs:
Water regularly - weekly, or more often in extreme heat or containers.
Landscape Size:
Moderate growing; reaches 6 to 9 ft. tall, 6 ft. wide.
Key Feature:
Elegant Summer Flowers
Blooms:
Summer
Landscape Uses:
Border, Coastal Exposure, Container, Cutting Garden, Firescaping/Fire Wise, Hedge, Mass Planting, Privacy Screen, Specimen, Urban Garden
Detail
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.
Light Needs:
<strong>Partial Sun / Partial Shade</strong>: These two terms are often used interchangeably to mean 3-6 (or 4-6) hours of sunlight each day. However, there is a difference. <strong>Partial shade</strong> typically means the plants will appreciate a more gentle exposure such as the weaker morning or early afternoon sun, with the emphasis on providing the minimum needed shade and sheltering from intense late afternoon sun. <strong>Partial sun</strong> typically means the plants <u>need</u> some direct sun, so the emphasis is on meeting the required minimum hours of sunlight, with filtered sunlight or shade the balance of the day. Both are best with shelter from the harshest late afternoon sun. This shade could be provided by a structure, a wall, larger plants or tree(s).
Partial to full sun
Watering Needs:
Water needs: Moderate
Water regularly - weekly, or more often in extreme heat or containers.
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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