25 Japanese tree lilac Seeds, Syringa reticulata, the Japanese tree lilac

Syringa reticulata, commonly called Japanese tree lilac, typically grows as a small tree or large shrub. In tree form, it grows to 30' tall and 20' wide with an oval-rounded crown. Syringa reticulata, the Japanese tree lilac, is a species of flowering plant in the family Oleaceae native to eastern Asia, which is grown as an ornamental in Europe and North America.