It needs to be replaced once a year when it is being maintained. It can be carried out in spring and autumn. Autumn should be between September and October. The temperature is suitable and it can adapt to the new environment faster. Too early, too late, too early, too high temperature, too late, too low temperature will frostbite plants. In addition, spring should be between April and may, avoid the high temperature environment in summer, otherwise it will affect the normal growth.
1. Remove basin and root: before soil replacement, water shall be cut off for a period of time. When the soil is slightly dry, the flowerpot shall be turned upside down, so as to facilitate the removal of basin and reduce the damage to the root system. After pruning the root system, the old root, rotten root are pruned off, convenient and better absorption of nutrients.
2. Prepare soil: prepare suitable basin soil with good air permeability and high looseness and fertility. Use rotten leaf soil, sawdust and garden soil to mix together. Before the basin, lay a layer of crushed stones on the basin bottom to improve the drainage.
3. Basin filling: the basin can be filled after the soil is prepared. Pay attention to covering the root system, and leave space for later management. Don't rush to water after planting, wait for three or four days, then add some water, you can recover in a week or so
