1. After the mint seeds are planted, the environment is suitable, they can germinate in about a week and grow to a height of one centimeter in about a month. The growth rate of seedlings is also relatively cool, and the environment is suitable, which can provide an environment of about 20 degrees, and the seedlings can germinate very high in 7- 14 days.

2, so it won't take long to grow up, just two or three months. Winter will wither, but it will not die, and the seeds will continue to germinate after the temperature rises next spring.