Various varieties of cabbage originated from the Mediterranean to the North Sea coast. As early as 4,000-4,500 years ago, it was cultivated in ancient Rome and ancient Greece. It was commonly known as "kohlrabi" and "cabbage" in the northeast of China, and "lotus white flower" in Yunnan.

Cabbage likes warm, humid and plenty of light. It is cold-resistant and has the ability to adapt to high temperature. Optimum growth temperature 15-20℃. Fleshy stems are prone to fibrosis when exposed to high temperature above 30℃ during the expansion period. The choice of soil is not strict, but it is suitable for planting in clay loam or sandy loam with rich humus. Cabbage seedlings must be vernalized at 0- 10℃, and then bolting, flowering and fruiting under long sunshine and suitable temperature.

Extended data

Cabbage is rich in nutrients such as high-quality protein, cellulose, minerals, vitamins, etc. Eating purple cabbage can supplement nutrition and keep fit.

High-quality purple cabbage feels heavy after being picked up, indicating that purple cabbage has sufficient water and compact structure, and its taste will be better, while inferior purple cabbage feels lighter when picked up, and it will feel insufficient juice and poor taste when eaten.

High-quality purple cabbage looks bright and shiny, while inferior purple cabbage looks dull and dull.

Baidu Encyclopedia-Cabbage (Cabbage)