The Japanese tree lilac (Syringa reticulata) is an upright, spreading, multi-stemmed tree. It blooms early in the summer with large hydrangea-like clusters of cream-colored flowers. The flowers ...

Japanese Tree Lilac (Syringa reticulata): Features creamy white flowers and a tree-like shape. Persian Lilac (Syringa persica): Generally smaller, with pale lilac to white flowers. Dwarf Korean ...