Where was the earliest place to grow Lagerstroemia indica?

China, Guangdong, Guangxi, Hunan, Fujian, Jiangxi, Zhejiang, Jiangsu, Hubei, Henan, Hebei, Shandong, Anhui, Shaanxi, Sichuan, Yunnan, Guizhou and Jilin are all planted or cultivated. They are native to Asia and widely cultivated in tropical areas.

At present, the most complete varieties of Lagerstroemia indica are located in Ziwei base in Jiangsu: the branching point of Lagerstroemia indica is 1.5m, the diameter of Lagerstroemia indica is 10 ~ 100, and the number is about 1 10,000.