When does the mildew season begin?

Mildew season is rainy season or Huangmei Day. The day when the rainy season begins is called entering plum (also called standing plum); On the day when the rainy season ended, plums were called "broken plums".

It started with rain and ended with Grain Rain. Grain Rain is the last solar term in spring, and the arrival of the solar term in Grain Rain means that the mildew season is basically over.

Huang Meiji, also known as: plum season, mildew season. Refers to the late spring and early summer when plums are yellow and ripe. During this period, it rained continuously in the middle and lower reaches of the Yangtze River in China, and the air was humid, so clothes were prone to mildew. Also known as Huangmeitian.