The flowers on dogwood trees aren’t flowers at all but the bracts that surround the actual flowers. Nevertheless, both white flowering dogwood trees and pink dogwood trees are prized for their early and elegant burst of color in the spring. Besides their flowers, dogwoods are also grown for their colorful bark or the berries that fall. The dogwood is a small tree that grows between five and 30 feet tall in hardiness zones 2 through 8; Both white flowering dogwood trees and pink dogwood trees like full sun to partial shade and moist, well-drained, acidic soil.