How to breed peppermint 1. Growth environment Mint is suitable for growing in a warm environment of 20? to 30?. When conserving mint in cold weather, it can be maintained in a warm room and the indoor temperature should be controlled above 20?. It is best to put the mint in the sun. By the window, the plants can grow better. 2. Provide moisture In the process of cultivating mint, it is necessary to provide sufficient water. Generally, the mint is watered once every half a month, but every time you water, you only need to moisten the soil and not allow water to accumulate in the chassis. 3. Pruning In the process of cultivating mint, it needs to be pruned frequently. The branches and leaves that grow too long can be shortened to make the plant grow more vigorously, and it can also prevent the mint from growing or falling.