1, white radish: it belongs to semi-cold-tolerant vegetables and likes mild and cool climate with large temperature difference. Seeds can germinate at 2 ~ 3℃, and the suitable temperature for germination is 20 ~ 25℃.

2. Cabbage: It is a semi-cold-tolerant vegetable and likes a cold climate. Chinese cabbage has different requirements for temperature at different growth stages. The suitable temperature for seed germination is 20℃~25℃. Under the optimum temperature and keeping the soil moist, the seedlings will come out after 3 days of sowing.

3, cucumber: like temperature, not cold and high temperature.

4, beans: beans are not frost-tolerant, and the whole life cycle needs to be carried out under frost-free conditions. The lowest temperature for seed germination of beans is 10℃, and the optimum temperature is 25 ~ 30℃.

5. Lettuce: Lettuce has strong cold tolerance, and the temperature after sowing is not lower than 4 degrees, but it is best to keep it at 16- 19.