Syringa reticulata subsp. pekinensis Syringa reticulata subsp. pekinensis Syringa reticulata subsp. pekinensis (formerly known as "Syringa pekinensis"), also known as the Pekin lilac or the Chinese tree lilac, grows in an open, multi-stemmed form to a height of , with a spread of . They are native to northern China but grow in USDA hardiness zones 3 through 7. It is grown as an ornamental tree in Europe and North America. Pekin lilacs have arching branches and ovate dark green leaves that are long. They have yellowish-white flowers that bloom in panicles up to long. The panicles change over to loose clusters of brown
Syringa vulgaris that hardy character of the men and women of the Granite State". Additional hardiness, for Canadian gardens, was bred for in a series of "S. vulgaris" hybrids by Isabella Preston, who introduced many of the later-blooming varieties, whose later-developing flower buds are better protected from late spring frosts; the "Syringa × prestoniae" hybrids range primarily in the pink and lavender shades. Most garden plants of "S. vulgaris" are cultivars, the majority of which do not exceed tall. Between 1876 and 1927, the nurseryman Victor Lemoine of Nancy introduced over 153 named cultivars, many of which are considered classics and still