So our question is has any one ever tried filling in a small back yard area with mulch. Due to the fact that the dogs are destroying all of the grass. Or is there a type of grass that holds up against dogs extremely well. We also where thinking about filling it in with sand but then we would probably have alot of sand tracked around the house. I know mulch would track as well but it would have to be better than all the mud. also with the sand I would think it would be easier to clean up the dof piles. So any insight anyone has to the mulch or sand, or a better grass. just let us know. Oh yeah the current or used to be there grass was zoysia.