Syringa reticulata subsp. pekinensis capsules. The bark is a red-brown color. They grow well in moist, well-drained soil. They prefer full sun but will tolerate light shade. 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
Botanic Garden of the Irkutsk State University Botanic Garden of the Irkutsk State University The Botanic Garden of the Irkutsk State University is a botanic garden in Irkutsk, Siberia, Russia. It is the only botanic garden in Baikalian Siberia (the Lake Baikal region) and is known as the Irkutsk Botanic Garden. Its mission is "to protect and enrich the flora of the Lake Baikal area and the world for people through public education, collection, propagation, research, and conservation of plants"."" The garden is principally an educational and scientific tool for the university and maintains the largest living plant collection in the region (more than 5000 plant taxa),