1. Prune once after flower decay, mainly to remove residual flowers, some pests and diseases, too long and weak branches, etc., so as to increase light transmittance and promote ventilation. This pruning can be light or heavy, and both can be restored.

2. Pruning in early spring is mainly aimed at bonsai, which can be pruned in March-April, which can improve the ornamental value and thicken the trunk. Generally, thicker branches will be cut off near the trunk, and a few branches can be left according to the shape when sending out small branches. After that, you can trim it slightly during the growing period and gradually cut it off along the roots.

3. You can do it once in summer. This time, it is mainly to cut the branches that are growing too fast, so as to control the growth of nutrients, reduce the consumption of excess nutrients, ensure the later flowering, increase the quantity and improve the quality.

4, winter pruning is mainly based on plastic surgery, to maintain the overall shape, you can cut off the branches of pests and diseases and dense branches, pay attention not to be too large, you need to cut lightly.