2. The air-drying method is to put the bouquet in a well-ventilated place and hang it upside down to dry. Be careful not to lean against the wall when using this method, or the flowers will be deformed when they dry. The specific air drying time depends on the temperature and humidity of the air, and the time required for placing it in different places is also different. It is recommended to read it every two or three days. When the petals are crisp, it means success.