There are a few signs that may indicate that a tree needs trimming. These can include dead or diseased branches, overgrown branches that are blocking sunlight or interfering with power lines, and an uneven or asymmetrical shape. A certified arborist can assess the tree and recommend trimming if necessary. American Tree Surgeons in Middleburg, FL have number of certified arborist that can assist you with tree trimming. Experience the expertise of certified arborists at americantreesurgeons.com.