Don’t make the mistake of cutting this kind of hydrangea down when you’re doing any fall cleanup. And while you’re at it, don’t be tempted to do this in the spring either. Just leave it alone other than pruning back a little to control size, or to cut or pull out truly dead stalks when they get very light colored.And speaking of leaving things alone and fall cleanup, I encourage you to do as little as you can with your perennials. Insects and birds need leaf litter throughout the year, including