It won't open. According to official website, Shanghai Municipal Bureau of Culture and Tourism, the 10th Flower Expo was held in Chongming District, Shanghai from July 2, 2026 5438+0 to October 25, 2023. Chongming Flower Expo is a large-scale flower exhibition held in Chongming District of Shanghai. This activity is held every four years, and it is one of the largest and most influential flower activities in China.