Starblast Rose of Sharon
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A deciduous flowering shrub known for its large, single, white blooms with a deep red eye that appear from mid- to late summer. The striking flowers are abundant and create a dramatic display in garden beds, borders, or hedges, while the glossy green foliage provides year-round ornamental interest. Its upright, rounded growth habit makes it ideal for specimen plantings or mixed shrub borders, and the blooms attract pollinators such as bees and butterflies.
This hibiscus is valued for its reliable summer flowering, low-maintenance growth, and adaptability to a variety of garden conditions. It grows best in full sun and prefers well-drained soil. Once established, Starblast® Hibiscus is moderately tolerant of heat, wind, and urban conditions. Light pruning in early spring helps maintain shape and encourages vigorous summer blooms.
| Fall Colour | Yellow |
|---|---|
| Shape | Upright Oval |
| Sun Exposure | Partial Sun |
| Latin Name | Hibiscus syriacus 'Rwoods6' Starblast PW |
| Soil Conditions | Moist / Well Drained |
| Flower Colour | White |
| Mature Height ** | 3.5 Meters - 11 Feet 6 Inches |
| Mature Width ** | 2.5 Meters - 8 Feet |
| 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.