Should you buy sets or seeds? Long-day or short-day onions? Learn how to grow onions, and how to harvest and store them ...

One of the most common onions you'll come across is red onion. It's not just that the purple-pink-hued allium is very common; it's also that red onions are most often used raw or pickled ...

(Photo credit: Olga Bakulina/Dreamstime) You can choose from a variety of onions, including yellow, red, white, and green onions (also called scallions) and shallots. All types of onions are good ...