Helene Rose of Sharon
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A deciduous flowering shrub known for producing large, single white flowers with a prominent dark red to purple eye and a violet throat from mid- to late summer. The bold contrast of the colorful center against the crisp white petals creates a striking focal point in garden beds, borders, or hedges. Its upright, rounded growth habit and glossy green foliage provide ornamental interest even when not in bloom, while the flowers attract pollinators such as bees and butterflies.
This hibiscus is valued for its reliable summer flowering, low-maintenance growth, and adaptability to a range of garden conditions. It grows best in full sun and prefers well-drained soil. Once established, Red Heart Hibiscus is moderately tolerant of heat, wind, and urban conditions. Minimal maintenance is required, with light pruning in early spring helping maintain shape and encourage vigorous flowering.
| Shape | Upright Oval |
|---|---|
| Sun Exposure | Full Sun |
| Latin Name | Hibiscus syriacus 'Helene' |
| Soil Conditions | Moist / Well Drained |
| Flower Colour | White |
| Mature Height ** | 4 Meters - 13 Feet |
| Mature Width ** | 2 Meters - 6 Feet 6 Inches |
| Growth Rate | Average |
| Zone | 5 |
| Native | No |
** Maturity Heights and Widths are listed to show what this plant can grow to in warmer climates and over the course of centuries. For landscape purposes in Ontario, take this value at 50% for appropriate spacing in your garden for immediate install purposes / for the next 10-20 years.