Confederate Rose Mallow 'Rubrus' – Hibiscus mutabilis

Overview

'Rubrus' is a cultivar of Confederate Rose (Hibiscus mutabilis), a large deciduous shrub or small tree famous for its flowers that change color over the course of a day—opening white, turning pink, and ending deep red. 'Rubrus' tends to start deeper pink.

Botanical Profile

Characteristics

Large shrub 8–15 feet tall. Leaves are large, heart-shaped, hairy. Flowers are 4–6 inches across, double to semi-double, opening pinkish-white and darkening to deep rose-red within a day. Blooms late summer to fall.

Growing Conditions

• Zones: 7–11 (dies back in colder zones, resprouts).
• Sun: Full sun to part shade.
• Soil: Rich, moist, well-drained.
• Water: Regular moisture.
• Pruning: Late winter; can be cut hard.

Uses

Spectacular as a specimen or in mixed borders. The color-changing flowers are a daily delight. Good for naturalizing in warm climates.