Differences in appearance, use, etc.

1. Appearance difference: During the growth process of southern pickles, the leaves will turn purple-red, which is called "Xuelihong". is green. During the planting process of Northern Xuelihong, the leaves are specially dyed red for easy identification.

2. Differences in uses: Southern pickles are often used to make pickles or stir-fry with other ingredients. Northern Xuelihong is more commonly used to make stews or soups.