As a common street tree species in China, Sophora japonica seedlings have hard wood and slow growth, and their appearance has not changed for more than ten years. The northern part of China generally loves Sophora japonica and has a humanistic complex. First of all, the ancients thought that Sophora japonica had the wind of a gentleman, integrity, fortitude and shade. The key to the popularization of Sophora japonica is its variety advantage. Sophora japonica has a good life, acid and alkali resistance and low growth requirements. Its branches are very straight, and it is not easy to fall down in heavy rain and strong wind. Suitable for planting in cities, so it has become the mainstream tree species. This is the unique beauty endowed by nature with its unique aesthetics.

6 cm Sophora japonica is the preferred specification for planting Sophora japonica in nursery. This specification has low management cost and fast seedling raising. The bare root price of 6 cm Sophora japonica is 60-70 yuan, and it has been planted for 2-3 years. 10- 12 cm Sophora japonica costs 400-600 yuan, and the profit is very considerable. 6 cm Sophora japonica is the first choice for strong nursery.