Grow Fresh Green Onions Any Time of Year In a Plastic Bottle

How nice would it be to just be able to pluck fresh green onions from the soil whenever you need them? Nothing beats fresh onions for your salads, dips or soup. But how can you ensure a supply of fresh onions at hand all the time?

Source: Growing Onions Vertically on the Windowsill

For those that remember it, it’s like a chia pet… but is actually useful.

You can make things easier by just putting the roots of the onions you bought in a shallow glass of water:

They’ll grow back in about a week as long as you change the water every couple days. The disadvantage is they don’t last in the long run.