After you cut down to about inch or so from white of onion STOP. You can eat more onion in few days. Change the water out every couple days.
I think I have ate the tops off these ones two or three times. The roots get beefy when in window.
Thanks for sharing this Jenn!
Lol! I started reading this post and was thinking…hey!! I told him about that! Thanks for crediting your source! Hehe!