1, cut again, cut again. You can tell from the name that this pruning must be very big. You need to cut all the branches, leaving only the stump and a few main branches, and the remaining main branches should be cut very short. In particular, unnecessary branches should be completely cut off. Re-pruning, you can see from the name that there must be a lot of missing parts, so this pruning method is generally used in the case of changing the shape.

2. Cut in the middle, cut in the middle, cut in the middle. Naturally, it is lighter than specific weight loss. Just cut off some dead branches and unnecessary branches. The well-grown part has just been cut short, and the whole tree has not changed much. Medium scissors are generally used for forming bougainvillea bonsai.

3, light cutting, just slightly cut some weak branches, cut off dead branches, cut off healthy branches. Generally used in seedlings, seedlings and small trees. In order to preserve as many branches as possible, so as to form a strong tree potential in the future, make good use of photosynthesis and make seedlings grow rapidly.

Retract and cut all the branches short, so that the trees pruned this year are not much different from those just pruned last spring. The purpose of retraction is actually to make enough space and room for plant growth.