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!
In a pinch this works in the back cute to plant succulents and moss in the "cubbies"! From Ways to Use Cinder Blocks in the Garden • Lots of creative projects, ideas and tutorials! Including these fabulous cinder block plant shelves.