In addition, chicken feathers are green leafy vegetables with the shortest growth period on the market. In high temperature season, it can be harvested about 20 days after sowing. There are two requirements for buying chicken hair vegetables. One is freshness, that is, high freshness. Chickpeas are tender and are the easiest to lose water and shrink. Once the water is lost and sprayed again, the dead tip of mature leaves cannot be recovered. So, don't buy anything with wilting tips. Water drops on the blade indicate the highest freshness. The second kind is tender, that is, don't buy old, dark and tender. The petiole with long growth period is also long, generally speaking, it is better to be short (the length should not exceed 15 cm).