I can’t take credit for this tip. I saw it on Ryan’s site over at This Is Reverb. I told Mr. Wonderful about it and of course, he wanted to try it.
The next time we used a bunch of green onions, we put the white roots in a glass of water (an inch or two) and set it on the windowsill where the sun could help it along. Change the water every morning and watch them grow!
You can see where we cut the onions off a mere 3-4 days ago. They’ve already grown back!