Lettuce is usually best planted in autumn; Generally, lettuce can be planted in March-April in spring; May-June can be picked; Sowing in August-September in autumn and picking in June10-165438+10; However, the yield of autumn seeds is higher than that of autumn seeds, and the nutritional value is particularly rich.

Lettuce is sweet and cool. Because its stems and leaves contain lettuce, it tastes slightly bitter and has the effects of clearing away heat, refreshing, relieving pain and hypnosis. Lettuce contains mannitol and other effective ingredients, which has the effects of diuresis and blood circulation, liver-clearing and gallbladder-benefiting.

Extended data

Lettuce is rich in nutrients, including a large number of β-carotene, antioxidants, vitamin B 1, B6, vitamin E, vitamin C, a large number of dietary fiber, magnesium, phosphorus, calcium and other trace elements and a small amount of iron, copper and zinc. Strengthen the digestion and absorption of protein and fat, improve the blood circulation of the stomach, and eat lettuce often.

Lettuce is cold, and people with frequent urination and stomach cold should eat it carefully. Because lettuce may contain pesticide and fertilizer residues, it must be cleaned before eating raw.

Baidu Encyclopedia-Lettuce (compositae)