Genus Chionanthus Species retusus Cultivar Common Name Chinese Fringetree Patent ID Height 15 to 25 Feet Spread 15 to 20 Feet Habit Small tree with rounded habit. Slow to moderate growth rate. Zone 6 to 8 Culture Full sun to partial shade. Flower White flowers borne in terminal panicles in May-June. Flower Color White Foliage Leathery, dark green in summer, yellow in fall. Deciduous. Category: Flowering Tree Description Bark exfoliates for winter interest.