Shiny green cucumbers; firm, juicy tomatoes; baby lettuces handpicked one salad at a time--these are the tasty benefits of the backyard vegetable garden. But earth gardens are a lot of work. They require a plot of plantable land and a significant time commitment to sowing, watering, weeding, and tending each plant. Is there a solution? Self-watering containers allow vegetable gardeners--from the casual weekender interested in a tomato plant or two...