Try growing something green, that is. All you need is a carrot, a saucer, and toothpicks. Or a sweet potato, an avocado pit, or maybe a clove of garlic. Cooperative Extension's Amy Ivy talks about rooting all these vegetables in water or potting mix. An inch of carrot top (eat the rest) set in a saucer of water will produce a ferny jungle of green. And a small sweet potato suspended in a glass of water will quickly produce a showy vine. Experiment! [full story]