Genus Cladrastis Species kentukea Common Name American Yellowwood Zone 4 to 8 Habit Medium size, spreading to somewhat rounded tree. Slow to moderate growth rate. Height 30 to 50 Feet Spread 40 to 50 Feet Foliage Compound, dark green in summer and yellow in fall. Deciduous. Flower Fragrant white, in long terminal panicles, May-June. Must have some age and size on the tree before it flowers. Fruit Brown pod. Category: Shade Tree Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window) Description Native tree.