I keep meaning to put a pair of pruners in my bag and cut back the Queen Ann's Lace or whatever it is that has encroached onto the sidewalk on Joncaire Street headed down toward panther hollow. Always on autopilot in the morning though and I forget.
I think most folks would be thankful, esp. if you are just trimming back weeds and stray branches on shrubby type plants. If it's a tree and you are cutting a limb, you want to take some care to protect the tree. Here's a Guide from the USDA