The best choice is in the spring and autumn season, spring is the growing season of all things, when planting in spring, the growth state of the plant will be relatively good.
Choose loose and fertile soil. You can use rotten leaf soil plus sandy soil and some perlite to make up your own
Take out the bought rose seedling, carefully clean its root with clear water, expose the root completely, trim the root system of the plant, cut off the diseased root, damaged root and aging root system, immerse the root of the plant in water for 30 minutes, let its root fully absorb water. Take out the flowers and seedlings to dry, then bury them in the soil, compact the soil slightly by hand, then pour them into water, and place them in a warm environment for curing.