If you're short on space, or at least space for some plants, here's one way to build a little container garden that won't take up a ton of real estate on your floor or patio: use some plastic milk crates. You can find them just about anywhere, and most of us have a few around the house, whether they're serving as impromptu bookshelves or sitting somewhere dusty holding tools or decorations. Give them a new lease on life, and give yourself a tiny garden. More »