Sowing is usually carried out in February-March in spring, with high survival rate. Sowing is usually carried out in June-July in summer, and shading nets should be used after emergence. Sowing is usually carried out in August-September in autumn and in June 10- 1 1 in winter. Greenhouse planting is recommended.

What is lettuce?

Lettuce belongs to the genus Lettuce in Compositae and is a biennial herb. Lettuce is also called stem lettuce, lettuce, green shoots and lettuce. Young stems can be eaten raw, cold, fried, dried or pickled, and young leaves can also be eaten. Lettuce is one of the most common green vegetables. The supply period of lettuce is mainly from April to May, and it is the main vegetable to regulate the spring market. Lettuce is divided into leaf lettuce and stem lettuce.