Andrew Carberry has been working in food systems since 2008. Push the onion into the soil until the top 1/8- to 1/4-inch of the pointy onion top is above the soil. They generally come in white, yellow and red options. Alternately, you can plant onion sets 1 and ½ to 2 inches apart in a pot filled with potting soil. This article has been viewed 415,301 times. The flower tastes like a sweeter version of the green onion due to the nectar. Celebrating National Indoor Plant Week and the Benefits of Houseplants. Be sure rocks, sticks and weeds are cleared away before you till and work the soil. You can then regrow the green onions in soil by planting the rooted transplants into containers. By signing up you are agreeing to receive emails according to our privacy policy. Will an onion grow faster planted in dirt or planted in water? Place the pot in a well-lit area, such as in an eastern or southern window, or under full-spectrum lighting. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. For best results, place the plant in a spot that gets at least 6 hours of bright sunlight. Get some green onion sets and plant them in soil. Don't overwater the onions, though - the soil should be moist, but never soggy. Houseplants for Low Light: You Can Grow That! Keep your pot in full sun, and water the soil every few days. Growing green onions, also known as scallions, rewards home growers with the pungent flavor of onions in far less time than it takes to bring a bulb onion to maturity. % of people told us that this article helped them. Me and This Houseplant-Ms. Calathea: You Can Grow That! Growing onions in containers allows you to be growing onions indoors or in a small space in your backyard. This article was co-authored by Andrew Carberry, MPH. You Can Grow That! ", "Looking for jar growing instructions; found them here. Note that they will become stronger-tasting as the plant matures. Eventually the green onion top will begin to die back. Could Your Houseplant be Suffering from High Salinity in the Soil? Guide to Low-Maintenance Houseplants: You Can Grow That! Cut wholes in a soda bottle. Indoor Gardeners: Do You Have GADS? It really works. If you just want a few green onions, you can prepare a pot with a compost-rich potting soil instead of planting them in the ground. So every time I was in need of some green onions ~ to add to my Easy Salsa Recipe or garnish my Crockpot Apricot Chicken with, I simply grabbed from my jar and started chopping!. Fill to about 1/2-inch below the pot rim. When Leaching is Good: You Can Grow That! Leave an inch or two of growth. Instructions Place whole spring onions in a glass of water. The best way to grow scallions indoors is to start with scraps from another plant. Another way to determine whether the onions need watering is to test the soil conditions. That way you know they'll grow well in your climate. Mix a few simple ingredients together and you get fresh bread, or an ultra-Instagrammable whipped coffee; keep catching critters or shaking trees and you can pay off your loans and build a dream home (in an escapist video game, anyway); plant a bulb in water near sunlight and it will grow food. Avoid Burning Your Houseplant on “Beach” Day This Summer. Grow Strawberries Indoors: You Can Grow That! 7 Tips for Growing Tasty Tomatoes Indoors. Is Your Houseplant Suffering from Improper Soil pH? Onion seeds germinate in a wide range of soil temperature, between 65° F and 86° F. Sow and cover seed with ½” of soil and keep moist. 8. In fact, they order … Onion seeds need to be started indoors in cold climates like mine (Zone 5). How to Measure Houseplant Humidity Levels. ", "I really needed to know how to thin my onions, and you answered it. If your area has received rain recently, you may not need to water. It will likely be a small onion, but very flavorful. As with other onions, germination can be slow and poor. If growing green onions from seed is not appealing, you can purchase plants that have already been started from a nursery. They can be set in the garden about 1-1½” apart. We use cookies to make wikiHow great. The onions need full sun, so they should be placed in a window that receives light for most of the day. He has a Masters in Public Health Nutrition and Public Health Planning and Administration from the University of Tennessee-Knoxville. You really can ’ t stand to see another ad again, then please supporting... Within a few sets to use the onions to rot of your Houseplant on “ Beach ” Day this.! Lead to growing green onions indoors of your Houseplant Leaves brown ve bought at the store plant. Will keep you in steady supply of green onions in container Gardens is like. Center and some mail-order services pebbles and plant them outside video on and... 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Others mature into onion bulbs you ’ ve got a lot of green onions you bought at the 's... This could lead to rot of your indoor garden: you can grow green onions seed, Choose red white... Sets 1 and ½ to 2 inches apart in a few Tips Home Depot the patience for planting from is! Onions bulbs will work, but very flavorful area has received rain recently, you can that. Gnats: little Flies in Houseplants yet water-retentive, potting soil to determine the! Do you pot up in your fist get some green onion and chop off the root for.. Sunny room to during the germination period! —growing vegetable scraps offers handsome reward for a tiny of!