Sophora japonica cold sex, likes the sun, little shade, intolerant of damp while the drought, poor growth in low-lying water at the deep roots, strict requirements on the soil, more resistance, barren, lime and mild saline-alkali soil (salinity of 0.15 %) can grow normally. But grow best in moist, fertile, deep, well drained sandy soil. Resistant to dust, and able to adapt to the urban street environment. Pests and diseases not much. Long life, strong resistance to drug charges. 
 Chinese courtyard common characteristics of tree species. The speed naturally strong, hard material, flexible, straight grain, easy processing, corrosion resistance, bud for the dye, the pulp can be used as medicine, seeds for feed. Windbreak and sand, used along with the species of wood and forest, urban and rural areas a good shade tree and street tree species.