White Pillar Rose of Sharon
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A deciduous flowering shrub trained into a classic columnar form, producing a tall, narrow canopy topped with large, pure white hibiscus-like blooms from mid- to late summer. The abundant flowers provide long-lasting colour and create a striking vertical accent in garden beds, narrow spaces, or formal landscapes. Glossy green foliage adds ornamental interest even when not in bloom, while the flowers attract pollinators such as bees and butterflies.
This hibiscus is valued for its upright, architectural form, reliable flowering, and versatility in smaller or formal gardens. It grows best in full sun and prefers well-drained soil. Once established, White Pillar Hibiscus is moderately tolerant of heat, wind, and urban conditions. Minimal maintenance is required, with light pruning in early spring to maintain the columnar shape and encourage vigorous blooms.
| Fall Colour | Yellow |
|---|---|
| Shape | Upright |
| Sun Exposure | Partial Sun |
| Latin Name | Hibiscus syriacus 'Gandini van Aart' White Pillar |
| Soil Conditions | Moist / Well Drained |
| Flower Colour | White |
| Mature Height ** | 3 Meters - 10 Feet |
| Mature Width ** | 1 Meter - 3 Feet 3 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.