Keeping a crisp edge on the garden border is an important part of the garden. By creating a unique edge of stone the gardens 'pop' out of the background. My edge is comprised of 1 1/2" river stone. I have a border that is 6-8" wide and up to 4" deep. This border has a landscape fabric underneath the stone to prevent weeds and to prevent the stones from going into the earth. The stones look great cleaned and will give your garden that crisp edge so ...