Japanese Tree Lilac (Syringa reticulata) is a beautiful ornamental tree that produces clusters of fragrant, creamy-white flowers in late spring to early summer. It's commonly known as the Tree Lilac, Japanese Lilac, Ivory Silk Lilac, or Chinese Lilac. These synonyms describe different aspects of the tree, from its origin, appearance to its flowers. The Tree Lilac has a sturdy, upright growth habit and is commonly used as a shade or ornamental tree in gardens, parks, and along streets. The Japanese Lilac is known for its showy, fragrant flowers, while the Ivory Silk Lilac refers to its smooth bark and attractive grayish-green foliage. The Chinese Lilac is an alternative name used for the species since it originated from China.