In which solar term do peonies bloom?

Grain Rain is the sixth of the twenty-four solar terms, the last solar term in spring, and one of the solar terms with the closest combination of agriculture and phenology. The solar term is from April 19 to April 2 1 in Gregorian calendar. The solar term in Grain Rain this year is April 20th. Grain Rain is a solar term in late spring, when the temperature gradually rises and tends to be stable. Therefore, there is a saying that "snow breaks in Qingming Festival and frost breaks in Grain Rain".