This article titled "How To Grow Sprouted Onions" at Alternative Gardening talks about exactly that. I had no idea. All this time, if I didn't eat an onion in time, I would simply plant the whole thing as-is in the soil.
Garden Plan - 2013: Square Foot Garden Plan-Full Sun
The Bountiful Year: A Guide to Seasonal Fruits and Vegetables. Nothing tastes better than eating fruits or vegetables at the peak of their season. But how can you keep track of what’s in season when? This infographic breakdown created with Visual News s