If you live in an urban setting, you might think that you can't be a gardener, but nothing could be further from the truth. As long as you can find some sunshine, you can be a gardener, whether you've got a balcony, a courtyard, or an entire empty lot to work with. Urban gardening can be an exercise in creativity and will reward you with food and flowers you can enjoy with family and friends, no matter how much or how little space you have. Let's...