Edible Gardening How to grow green onions By DreamGardener Last updated Jun 10, 2018 0 How To:Place the white tips in water in a sunlit window.After a few says green shoots will begin to appear.Transfer onions to a glass or jar.Use scissors to cut off onions greens as neded. Facebook Pinterest green onion in watergrow green onions in watergrowing green onionsgrowing green onions in waterregrow green onions in waterregrowing green onions