If you want to let some of the plants mature into storage onions, simply leave them in the ground. Insert your finger, up to the second knuckle, in the soil close to where the plant is. this link is to an external site that may or may not meet accessibility guidelines. Be sure to cover with enough water to cover the white parts and leave the green parts uncovered. If your area has received rain recently, you may not need to water. For a bigger area, buy or rent a soil tiller to make the job easier. ", "Looking for jar growing instructions; found them here. Include your email address to get a message when this question is answered. I haven't bought green onions in two years (except to demo this tip). Yes, you can, as long they are 6-8 inches tall and a dark green color. Whether you have a spacious yard, a tiny deck or simply a sunny window, you can grow green onions. To harvest, you can either pull the entire plant out, or snip at the base, leaving the white in the soil to grow more onions. If growing in a jar, change the water often, perhaps every week or sooner. You'll never have to toss out a half-used bunch of green onions that you forgot in the fridge. I'll show you how easy it is to regrow an (almost) endless supply of fresh green onions from kitchen scraps. Green onions are so versatile that you can grow them in almost any location. It all depends on the amount of space you have available and the climate you live in, so choose any one of these 3 ways and enjoy fresh green onions at any time! I ended up with 48 onion plants. But switching up your side dishes can bring a refreshing change to a classic comfort food dish. Now you'll always have fresh green onions on hand for recipes and garnishes any time you want them. (I stood them up in an egg cup.) This will provide optimal growing conditions for the onions. It's a foolproof project that'll impress kids and adults alike with your mad green-thumb skills. You can till the soil using a garden rake if you're working with a small patch. You can grow these from sets, which are mini bulbs of onions that you'll be able to find at your local garden centers. Choose a type of onion to grow. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/07\/Grow-Green-Onions-Step-1-Version-3.jpg\/v4-460px-Grow-Green-Onions-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/0\/07\/Grow-Green-Onions-Step-1-Version-3.jpg\/aid1396438-v4-728px-Grow-Green-Onions-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"