Hibiscus hamabo: Coastal Species

Overview

Hibiscus hamabo is a species hibiscus native to coastal areas of East Asia (Japan, Korea, China). It is a deciduous shrub or small tree adapted to saline conditions.

Botanical Details

• Family: Malvaceae
• Genus: Hibiscus
• Species: hamabo

Description

This species grows 6–15 feet tall. The leaves are heart-shaped, gray-green, and somewhat leathery. The flowers are 3–4 inches, yellow with a red or purple center eye, blooming in summer. It is notable for its salt tolerance and coastal adaptation.

Uses

Valuable for coastal gardens, seaside plantings, and saline soils. Can be used as a windbreak or hedge. Cold hardy to zone 7. Attracts pollinators. Rare in cultivation but ecologically interesting.