How many of you use herbicides to edge along concrete walls, fences and around rock obstacles in commercial or residential locations? Do you use look for the best residual acting chemicals or simply try to get the fast knockdown so your customer is quickly satisfied? I realize many of you are in your winter season but out here it is 83 degrees year round with two main seasons... Wet and wetter. This presents problems in making sure of drying time for any application of any chems.