Maybe if I had done this my flower bed would still be a flower bed... To reduce maintenance we added a 4-in. deep trench that we lined with plastic edging and filled with mulch. The edging keeps grass roots from creeping into the stone wall
garden swing retreat ... (photo) We need a dry creek bed as a drainage solution for our south (side) yard. I like the plants and the stepping stone path. Our Homes Association probably wouldn't allow us to build a pergola-swing, though!