If you are not yet aware of Square Foot Gardening it is a gardening method you should check into. Square Foot Gardening is a way to garden that requires less space, less water, less weeding, fewer seeds (not so many wasted), and can be used whatever your abilities, age, or living arrangements. For more information about Square Foot Gardening, attend or arrange a class, read All-New Square Foot Gardening (available at most any bookstore or library).
Read more about this tabletop style.
Tabletop Square Foot Garden
My Square Foot Garden
Beuna Tomalino, Garden Coach, Certified Square Foot Garden Instructor