Like green onions, celery needs a cup of water to start the regrowing process. Stick the reserved base of your celery stalk in a glass, taking care to replace the water once a day.

To regrow green onions, follow these steps: Take the sliced off bulb with the roots still attached and place upright in water that just covers the roots and leaves the stalk exposed.

You don’t need any posh kit or a high end greenhouse - you can regrow spring onions with just a jar of water. According to food experts, spring onions will fully regrow into a new spring onion ...

Make sure you’re growing bulbing, not bunching onions. ... Onions tend to grow very well in rich, organic soils with a pH at 6.5-6.8.Lean, acid soils can limit growth.

Turn leftovers into new plants by regrowing green onions in water or soil. After cutting up green onions during your meal prep, you're usually left with a little of the white part with roots that ...