What are the vegetables planted in the open air in the solar terms?

Spinach Spinach is one of the delicacies on the tip of the tongue. It is not only nutritious, but also varied in eating methods. It is not only an indispensable ingredient in hot pot, but also a dish embellished with pasta. For farmers, sowing some seeds in the garden will keep them from eating for almost a year. After being shocked, they can sow spinach in spring, and the seeds of spinach can germinate when the surface temperature is 4℃.