OK - now we're talking, PVC pipe structure with potted plants (squash or cucumbers) growing on it. You can walk under to pick. Nothing on the ground to get buggy or fungus, and you control your soil. Brilliant!
Vertical Succulent Garden by floragrubb: 20 x 20" panels with 45 slanted cells to support planats and soil when mounted vertically. The unit in the picture is made of 6 panels, each $79. Now, if I could only figure out how to make the panels myself..