Another version on rain gutter gardening. Want to grow a salad garden but have no room? Try gutters! Affix them to a fence, slope them for drainage, and voila! Of course,for this I'd need a backyard wider than a hallway.
create a living wall this season: Build a rolling planter. Build a basic rectangle planter, put it on casters, and attach a simple-grid trellis. Design via Bangs Boutique. --- This may work as a privacy screen on our small backyard deck!