You might be wondering if there’s actually a wrong way to prune a tree. Turns out, yes, there is – pruning might sound easy, but it’s unfortunately not as simple as hacking off branches that are in the way and hoping for the best. Improper pruning can lead to unattractive trees, poor landscaping, weak and sickly trees and even death if you really make a hash of it. Here are eight mistakes people commonly make when trimming or pruning a tree, and how to avoid them.