Can we break ground on June 18?

March 18, the first nine days and the last nine days in Grain Rain, is the time when spring is flourishing. The days before and after the summer heat in June are 18 days, when the summer soil is lush. In September, the first nine days and the last nine days of the first frost are eighteen days, and the autumn festival is in full swing. 1February, the first 9 days and the last 9 days of the severe cold are 18 days, which is the time when the soil is prosperous in winter.