1, sowing in February-April in spring, sowing in late July in autumn, sowing in late September-10/early October in winter and spring, and transplanting 30 days later.

2. The specific planting method is as follows: (1) Soil preparation: the soil in the planting area should be breathable, loose and fertile, and the soil should be turned over and the decomposed base fertilizer should be applied. (2) Sowing: select relatively full and healthy seeds, sow them in the soil, and cover the soil with a depth of 2-3cm.