I have a gorgeous backyard, but there is one area that is lacking. My house is shaped like a u in the back, with a screened in porch on one side and my great room and chimney on other. Behind house we have a gigantic paver patio with a hot tub and in ground pool and grass surrounding. Within the u shape there is a mulch area with a tree that is just kind of useless. Looking for ideas on what to put in its place