The basic pruning of bonsai includes eliminating evil, cutting short, thinning and shrinking. For beginners, the most difficult thing to understand is refinement. In spring, plants will burst into a large number of buds. After a period of growth, plant branches are scattered and disorderly, which seriously affects lighting and ventilation.

At this time, it is necessary to drain and comb the branches inside the plant, which is called draining. Its main purpose is to cut off the taboo and useless branches inside, so that the room is more ventilated and receives more light.

Extended data:

Notes on bonsai pruning:

1, miscellaneous wood bonsai can be pruned all year round; Pines and cypresses should be pruned during dormancy.

2. In rainy season, when the air is humid and the trees grow vigorously, you should cut them less, or cut them again without cutting them. Cutting a large number of branches and leaves will affect the normal growth, and in severe cases, it will lead to death.

3, near the end of autumn, you can't re-cut, strong cut, heavy cut and strong cut. After the new buds sprout one after another, the cold current will freeze the buds. (The best time for heavy cutting and strong cutting is1-February, when the trees are dormant; However, some tree species that are not hardy should not be pruned in winter, because the wound is difficult to heal and it is easy to leave scars.

Generally speaking, trees with vigorous growth can be cut down more, and those with thin growth can be cut down less. In order to meet the needs of tree modeling, it is usually necessary to cut off messy cross branches, overlapping branches, parallel branches, whorled branches, opposite branches, twigs and diseased branches. Only when the nutrients left on the branches are concentrated can they thrive.