Whether cutting storm-damaged branches and dead limbs, regulating growth or shaping a tree for aesthetic purposes, regular trimming is important to promoting a healthy, good-looking tree.
Step 2: Leave a collar when pruning and trimming. When you cut the shoot, make an angled cut just above the collar, which is the swollen area where the branch meets the trunk. Leaving a short stem protects the tree against disease. Leave a collar to protect the tree against disease.
Always work from the ground when trimming or pruning trees. Never prune trees from a ladder. When cutting, always stand to the side and away from an overhead branch. If a tree requires heavy trimming or working up in a tree, a tree service professional is strongly recommended.