Tree crown thinning is a pruning technique that involves selectively removing a portion of the secondary and tertiary branches, typically located in the outer crown of the tree. The purpose of this method is to achieve a uniform density of foliage throughout the crown while maintaining an evenly spaced branch structure. By carefully thinning the crown, arborists and gardeners can enhance the tree’s aesthetic appearance, improve light penetration, and promote better air circulation within the canopy. This selective removal of branches helps to maintain the overall health and vitality of the tree while ensuring a balanced and visually pleasing crown.