2, Japanese lily of the valley, deciduous shrub, tree height 1~3 meters. The crown of this tree is round. Leaves are clustered on the branches, bright green in spring and summer and bright red in autumn. May flowers, white flowers, before or at the same time with leaves. Sex likes to be cold, so it should be cool and ventilated. I like wet soil with good drainage. Originated in Japan. China can grow in areas as far north as central Xinjiang, Inner Mongolia and southern Liaoning, and as far south as Jiangsu, Anhui and northern Hubei. This species is an excellent garden plant of Ericaceae, and can also be planted in groups.