Shouguang Botanical Garden has the largest number of Sophora japonica trees. By querying Wiki, we know that Shouguang Botanical Garden has the largest number of acacia trees. Shouguang Botanical Garden is a comprehensive park integrating popular science education, ornamental leisure and ecological protection. It covers an area of about 2000 mu, including the area where acacia is specially planted. Every summer, acacia flowers bloom, attracting many tourists to watch. Therefore, Shouguang Botanical Garden has the largest number of Sophora japonica trees.