Tropical Hydrangea (White) is a large, tropical shrub known as Dombeya wallichii, characterized by its large, showy clusters of white flowers that bloom in spring and summer. It can grow up to 4m tall, making it an impressive feature in gardens or large containers. Tropical Hydrangea thrives in full sun to part shade and prefers well-drained soil, adding a dramatic floral display to tropical and subtropical gardens.