Chinese Dogwood Summer Stars. The flowers can be so prolific that you can hardly see any green leaves!zones 5-8 Description: The flower bracts on this selection are not as large as those of other cultivars, but they are retained longer, from June to August. Raspberry-like fruits are followed in the fall along with good burgundy-red foliage color. Vase-shaped, multi-stemmed with horizontally-tiered branches. Height: 20'-30'Spread: 15-25'