1. Fast-growing Catalpa bungeana is a unique tree species in China, which has been planted for more than 2000 years. Catalpa has a straight trunk and a dense crown. When flowering, the trees are full of powder clouds, and there are few pests and diseases. It is a famous horticultural ornamental tree species. Mature Catalpa bungeana is a kind of high-grade wood, and the density of Catalpa bungeana board is quite high.

2. Hong Senhuai: There are both the growth speed of poplar and the material of Sophora japonica. The growth cycle of Sophora rubra is short, and it can be cut down in eight years, with less pests and diseases and good maintenance. And its economic added value is also very high. The white locust tree that blooms in May can be used as medicine. Sophora japonica honey is sweet and moist, which is the first-class honey. Although Sophora japonica grows at the same speed as poplar, its price is two to three times that of poplar. 3. With the city's attention to environmental greening and the improvement of people's environmental awareness, the demand for green seedlings has also increased year by year, and planting green seedlings is also a very good investment project. Tree species with high survival rate, large crown and beautiful tree shape should be selected for planting seedlings, such as osmanthus fragrans, ginkgo, Podocarpus, Sophora japonica, Lagerstroemia indica and cherry trees.