There are four pruning methods for bougainvillea: heavy cutting, medium cutting, light cutting and inward shrinking. Heavy cutting has strong pruning ability, and all branches except the main branch can be cut off; Mid-cutting is the appropriate short cutting of bougainvillea branches; Light pruning is mainly used for pruning and pruning maintenance of young trees; Retraction is to restore bougainvillea to its original shape.

First, the pruning method 1, heavy cutting

Heavy pruning is very strong. Except for the stump and a few main branches, everything needs to be cut off, and even the main branches need to be trimmed very short. Heavy pruning is mainly used to change the shape of bougainvillea.

2. Moderate shear

Medium pruning refers to moderate pruning, and the intensity is lighter than that of specific pruning. Unnecessary branches such as dead branches and diseased branches on bougainvillea should be cut off, and other branches only need to be appropriately cut short, which will not change the whole tree shape much.

3. Optical scissors

Light pruning is to cut off some diseased branches, and healthy branches can be slightly shortened, which is generally used in relatively tender bougainvillea. This pruning method is to keep more branches of bougainvillea, so that its tree is stronger and can grow faster.

Step 4 take it back

The purpose of retraction pruning is to keep the shape, that is, to make this year's bougainvillea shape the same as when it was just trimmed last year. This pruning can not only keep the shape, but also give bougainvillea more room for growth and development.

Second, the pruning maintenance time 1, the first pruning.

The first pruning time is about March-April, and the pruning method adopted is generally middle pruning. In addition to pruning dead branches and diseased branches, all branches with damaged shapes need to be cut off, and the thicker branches should be cut short to leave enough growth nutrients and space for new branches.

2, the second pruning

June-August is the peak season for bougainvillea plants, so it is necessary to apply sufficient fertilizer to promote the growth of branches and leaves. However, excessive fertilization will lead to the phenomenon of excessive branches, so it is necessary to prune properly, and the shape should not be damaged when pruning, and the branches that are too dense and too long should be cut off, and the buds should be properly loosened.

Third, the purpose of pruning 1 is to save nutrients

The main purpose of pruning bougainvillea is to reduce the consumption of nutrients. Cutting off redundant branches can preserve nutrients, promote the germination and growth of new branches with the preserved nutrients, and make the branches more robust as a whole.

Step 2 create bonsai

Potted bougainvillea especially needs pruning. If you want to cultivate potted bougainvillea with more ornamental value, you must trim the shape properly and create a suitable shape without affecting the growth of bougainvillea, so that bougainvillea can look better and grow better.