Patio screen and bench. I would paint a design or words in large letters on the back.too much of a wall to not decorate. Would look great under an arbor or other structure meant to sit beneath. Use to create a screen in the garden too. So many ideas.
Raised bed/planter/fence/privacy screen: this is now featured at www. with complete instructions for building a planter with a back You can get a PDF too. Please vote for me in the Outdoor Structures contest. - My Wonder Garden