In spring, catalpa trees will sprout new branches. When the new branches are about 30cm long, you can select the branches near the top, then select the branches with strong growth and distributed on different growth paths as the main branches, and then cut off the rest of the branches. In addition, in the growth period of catalpa tree, its trunk will sprout, which should be wiped out in time, or it will consume too much nutrients to affect the growth. Wait until the next spring, as long as the main branch of the new twigs and then screen to retain two new branches.
The growth speed of new branches of Catalpa is very fast. After falling leaves at the end of autumn, the main branches left before should be cut in a short and medium way, and only 40-60 cm should be kept, and then a certain amount of outer buds should be kept. Otherwise, the crown of Catalpa will be narrow and the shaded area will be small, so if the crown is to be expanded, a certain amount of outer buds must be kept. At the end of autumn of the second year, it will be cut in a short and medium way to keep the outer buds, and then the shape of the tree will be gradually formed.
Therefore, the catalpa tree is resistant to pruning and has strong sprouting power. In daily maintenance, it is necessary to do well in spring and autumn pruning, which can reduce the pruning burden for the spring and autumn of the next year, and in the future maintenance, it is only necessary to do well in the pruning of Cross branches, over dense branches and disease and insect branches.
The above is the pruning method of the catalpa tree, as long as we grasp a certain pruning method, we don't have to worry about the growth of the catalpa tree
