Althea 'Diana' Tree Form (Rose of Sharon)

Hibiscus syriacus 'Diana' in a standard tree form is the epitome of elegance — a single clean trunk crowned with a rounded canopy of large, pure white blooms from midsummer through fall. Nearly seedless, so no volunteer seedling cleanup. The crisp white flowers glow against the dark green foliage, making it a natural choice for formal gardens, entryways, and patio settings.

• Mature Size: 6–8 ft. tall, 3–4 ft. wide (tree form)
• Growth Rate: Moderate
• Sun: Full sun to part shade
• Hardiness Zones: 5–9
• Water: Moderate — drought tolerant once established
• Flower Color: Pure white, single
• Bloom Time: Midsummer through fall
• Best For: Entryways, patios, formal gardens, specimen planting, containers

A National Arboretum introduction in a refined tree form — timeless, elegant, and virtually maintenance-free. Attracts hummingbirds and butterflies.

Professional installation available within approximately 1.5 hours of Owensboro, KY. Installation will be scheduled with our team after checkout.