This goes hand in hand with the Garden Ladder Plant Stand in this same category. Here: http://pinterest.com/pin/60657926201209727/ This is also a space saver and easy enough to make or design your own. A little more sturdy than the other set up as to plants being knocked down by kids or pets. Would go good along a wall in sets too.
Narrow Garden Space of Townhouse This very narrow space on the side of a townhouse is made more interesting by using an interesting paving pattern with tiles and pea gravel, plus a variety of plants in pots.