Keep the garden vertical. That's why it's good to look for shrubs and trees that max out interest as they grow up, not out. Try dwarf varieties for a small backyard, as well as more columnar evergreens (bonus—they boost wintertime interest, too).
UP-CYCLED BIKE PLANTER: Don't throw it - grow in it! An old bicycle can be repurposed with micro container gardens and even used as a trellis for a climber like a grape vine. Mounted on a fence, you can create your own garden art feature. More ideas & tut
Easy Gardening: Growing Vegetables Plants from Kitchen Scraps!