When does Zhengzhou Peony Festival open?

Zhengzhou Peony Festival usually opens in April-May. Because it is the flowering period of peony, people all over the world will enjoy the flowers. Under normal circumstances, it will bloom in the solar terms in Grain Rain. If the temperature rises rapidly, it may open in advance, but generally it will not be earlier than March. In addition, if the temperature is low, it will also delay flowering.