How do I stop Dogs from doing their business around my outside Tree Pits where I try to grow flowers in? Their waste is killing my flowers!
Your dogs or neighborhood dogs? Dogs that pass by on a leash with an owner or dogs running loose? You could put up a small decorative fence, spray the area with dog repellent or put up signs advising dog owners to keep off.
Automatic motion sensor sprinklers (i.e., Scarecrow) might work, too.