Rose of Sharon: Blue BirdThe Blue Bird Rose of Sharon has vigorous growth and lacy blooms, but with large, single blue flowers. Each is adorned with a lacy center to create an anemone like bloom. Bold yet delicate, Blue Chiffon is a star in the garden from late summer to fall. Botanical Name Hibiscus syriacus 'Blue Bird' Common Name Blue Bird Rose of Sharon Plant Type Deciduous Mature Size Moderate growing; reaches 6 to 8 ft. tall, 6 ft. wide. Sun Exposure Full sun, partial