Frozen tung flowers or frozen insect flowers in March?

"Frozen tung flowers in March" means that the tung flowers are not in bloom and the temperature is still unstable. On March 18 of the lunar calendar, the frozen tung flowers arrived as scheduled. Originally, the weather changes seem to be in the laws of nature, but the temperature has plummeted from more than 20 degrees to several degrees, which can be described as a few days on earth. Moreover, in western Hubei, the full name of frozen tung flower is called frozen tung flower. Tung tree is a tree that produces tung oil. Generally, it blooms in early spring and bears fruit one after another. Its fruit can be used to extract oil. Its oil, commonly known as tung oil, is the raw material for painting furniture. Because it blooms in early spring and the weather is very cold, people call it frozen tung flower.