1、 When to harvest

Under normal circumstances, it will sow seeds before and after the Qingming Festival, and harvest from the frost period when all the stems and leaves wither, about October to November. If the harvest is too early, the yield will be relatively low, and there is still a lot of water content, which is easy to break. If you are not in a hurry to go on the market, you can extend it appropriately and keep it in the ground for winter, which can be postponed to march of the next year at the latest. For those planted in the open air, the harvest period will be longer, but the planting in the greenhouse is different, usually around June 20

2、 Is there any medicine

It has certain drug properties. The parts of the rhizome can be used as medicine. It is a common traditional Chinese medicine, which can prolong life and promote digestion. It can also be used as ordinary food, which has a history of more than 3000 years. If it is eaten by ordinary people, it also has many benefits to the body. It can be eaten by ordinary people. It is known as a good tonic and has been praised by people