Botanical Name: Hibiscus syriacus ‘White Pillar’® (aka ‘Gandini van Aart’)

Common Name: White Pillar® Rose of Sharon

Mature Height: 10–16 feet

Mature Spread: 2–3 feet

Growth Habit: Naturally columnar, upright deciduous shrub

USDA Zones: 5–9

Sun Exposure: Full sun (minimum 6 hours daily)

Soil Needs: Average, well-drained soil

Water Requirements: Moderate; low once established

Foliage: Dark green, ovate leaves

Flowering: Pure white semi-double blooms; mid to late summer through fall

Bloom Size: 3–4 inches across