When pruning the old pile, it mainly prunes the branches. Cut off the long growing branches and the dead branches, thin and weak branches and disease and insect branches in the crown, which can not only reduce the loss of nutrients, make the remaining branches more robust, but also make the plant shape more beautiful. In addition, it can form flower bud every other year, and the flower usually grows on the new branch, and the flower on the old branch is less, so it can also cut off the old branch that has flowered, can also reduce the nutrient consumption, and promote the new branch to blossom.
Its pruning is mainly after the flowering period, specifically between March and June. After July, it is not recommended to cut again, which will affect the flowering and plant growth. In addition, the old pile can also be pruned in winter every year, only the branches can be pruned, at this time, it is necessary to cut lightly. However, it is more resistant to cutting plants, branch ability is also very strong, do not be afraid of cutting bad, soon will be able to recover.
