1、 Will you change the soil in spring
It is relatively good to change the soil for Rosa roxburghii in spring, because the temperature at this time will not be too high or too low, and the plants will recover quickly after changing the soil. Its growth ability is very good. Under normal circumstances, it can be changed as long as the temperature is about 20 ℃. But if the temperature is lower than 20 ℃, it will be carried out p>
2、 Soil replacement method
1. De potting: it is necessary to properly water less before soil change, and try to keep the soil dry, so that it is not easy to damage the plant during de potting. You must be careful when removing the plant from the pot, not only to avoid stabbing yourself, but also to avoid damaging its root system p>
2. Pruning: check the growth state of an entire root to see if there are rotten and withered roots. If so, prune them with scissors. In addition, some useless branches on the plant should also be cut off p>
3. Soil replacement: prepare some new soil, which should meet the characteristics of soft, breathable and good drainage, and add a small amount of base fertilizer. Finally, the plant can be replanted into the soil p>