Before and after what solar term, plant melons and beans?

It is an agricultural proverb to plant melons and beans before and after Tomb-Sweeping Day. At this time, the temperature is getting warmer, plants are sprouting, the weather is sunny, and everything is thriving. Tomb-Sweeping Day means cleanliness. Tomb-Sweeping Day is closely related to agricultural production, and the temperature is rising.

Solar terms refer to the special festivals in the dry calendar that indicate seasons, phenology, climate change and the establishment of "December construction". At first, the solar terms were determined by the direction of the top of the bucket handle of the Big Dipper.