Sowing in the middle and south of Shanxi Province and the south of Shijiazhuang, Hebei Province in the first half of May.
The suitable sowing date of summer sesame is from late May to early June, and the suitable sowing date of autumn sesame is from early July to mid-July, which can be later than late July in the case of good heat. Both summer sesame seeds and autumn sesame seeds are sown in the season with high temperature and large evaporation. Precise soil preparation and water conservation are the keys to the whole seedling.