Morphological characteristics Sophora japonica is a deciduous tree with a height of 6-25m, dark gray bark, green branchlets, obvious lenticels, oval leaves, hairy leaf axes, enlarged base, terminal panicles, bell-shaped calyx and ivory corolla.
The growth characteristics of Sophora japonica are light-loving, cold-resistant, and have low requirements for soil. It can grow normally in calcareous soil and mild saline-alkali soil. When planting, soft and fertile sandy soil with deep soil layer and good drainage should be selected to avoid low-lying and waterlogged areas.
How to breed Sophora japonica The main breeding methods are sowing, cutting and grafting. Because the seed coat of Sophora japonica has a fence layer with tight cell combination and poor water permeability, it is necessary to soak the seeds with warm water of 85-90 degrees for 24 hours before sowing.
How to prune Sophora japonica will stop growing every spring? At this time, the curved part of the top should be cut off. After the plant sends out new branches, choose a vertical branch as the new trunk, and then cut off all the competitive branches that affect the growth of the main branch.