China is set to surpass the United States as the world's leading blueberry producer by 2021, according to a USDA report and data from the International Blueberry Organization. The country's blueberry cultivation area is expanding, and it is becoming a significant importer of the fruit, mainly from Peru and Chile. The main blueberry-producing provinces in China are ChinaGuizhou, Liaoning, Shandong, Sichuan, and Yunnan, with Yunnan being the most crucial due to its favorable climate and geographical conditions.