If you have trees on your property, pruning and shaping them is necessary for several reasons. First, it is essential to maintain the health of the plant. Second, it helps improve the quality of the foliage, flowers, fruits or stems. Third, it can prevent trees from growing too large or becoming unsightly.
Source: https://doitprofessionally.wordpress.com/2018/04/18/professional-tree-shaping-and-pruning-maintain-aesthetics/
