Rose of Sharon: WoodbridgeThe Woodbridge Rose of Sharon (Hibiscus syriacus 'Woodbridge') is a very pretty erect growing deciduous shrub that can also be trained as a gorgeous tree! First, its dark red buds burst open into large antique rosy pink flowers with a vivid red center! This profuse blooming lasts from summer to fall. Botanical Name Hibiscus syriacus 'Woodbridge' Common Name Woodbridge Rose of Sharon Plant Type Shrub, Deciduous Mature Size Reaches 10 ft. tall, 8 ft.