There are a ton of foods that, by following a few simple steps, can actually be regrown from the leftovers you usually throw away! I’ve done a few of these, such as green onions, tomatoes, and we actually have an avocado pit growing on our counter as I type this!
2-liter Soda Bottles have several great uses! If you cut the bottom off, you can use them to cover seedlings like mini greenhouses (or cloches). They also protect them from frost, wind, and strong rain.