For attic spaces, walls and ceilings, you can mist them without over spraying. The following “short video” (less than 60 seconds long) shows how the Mini Mister works and why its so well suited for special jobs like this. As you can see, it won’t over spray. ...
As an anecdotal example, a neighbor in my dad’s neighborhood installed a motion sensor contraption that starts blaring music and sprinkling water when anything comes near a large bed of pansies. (Pansies are a common cool weather flower that deer love and that’s also a good edible plant fo...