2. Pruning ideas: Before pruning, we need to find out which branches need to be pruned and the number of branches to be pruned. How to prune can not only affect the original beautiful shape of plants, but also promote them to sprout more new branches. The pruning position must be above the stem and leaf, and it is recommended to do it near the base, otherwise it will easily cause half branches;
3. Pruning degree: In order to reduce water evaporation and save nutrients, it is recommended to keep the cut branches and leaves between one-third and two-thirds;
4. Pruning range: In addition to pruning weak branches and long branches of pests and diseases, in order to promote the next round of flowering, it is necessary to remove residual flowers, and sometimes it is necessary to cut off those branches that have blossomed but are unreasonable.