Knowing how to plant green onion and also regrow from stem will help you become a more self-sufficient grower.
Although “green onion” and “scallion” are both used, this plant-kingdom delicacy is grown for its aromatic green stems.
Green onions are sprouted from two primary types of vegetables:
Scallions: Can be grown as perennial(best for zones 5+) or annual plants. They produce spikey leaves that flower in winter.
Bulb onions: Have white, red or yellow varieties. You’ll want harvest the green onions before they become tough.
In this post, I’m going to show you how to grow green onions in water and regrow them from their stalk!
How To Grow Green Onions
Where To Grow Green Onions
Green onions thrive in areas with lots of sunlight.
Ideally, your onions should receive at least 5 hours of sunlight per day.
If you haven’t already, read our post on the best type of soil for growing green onions.
This soil should be used for planting.
Your onion’s soil should be fertile and mixed with organic compost(for best results).
When Is Best To Grow Green Onions?
If you want a fresh winter harvest of green onions, have your first sow be in late winter inside a polytunnel or cold frame.
You can then transplant your sow to a raised garden bed or pot in early spring.
Like wise, sowing in mid summer will lead to fall harvest as well.
How To Grow Green Onions From Seed
You’ll plant your green onion seeds 1/4 inch apart and a little less than 1/2 inch deep in a raised garden bed.
Alternatively, you can start green onion seedlings in trays before transplanting.
if you’re starting indoors, begin planting at around 9 weeks before the last frost.
Each planting tray can hold around 10 seeds.
Green onions grow in bunches, so you’ll want to space them 6 inches apart when transplanting.
Laying mulch helps with water retention, but be sure to weed frequently.
Growing Green Onions In Pots
When you want to grow green onions in a pot, there are a few things you should know.
- Green onions can be grown in plastic pots and fabric containers.
- Grows best on sunny decks and balconies.
- Pot should be at least 6 inches deep. with good drainage.
- Fill with quality compost and loam soil.
Make sure that you water the soil a bit after filling the pot.
Space seeds 1/4 inch apart and 1/4 inch deep and use a liquid fertilizer every 2-3 weeks to enhance the growth.
Once you’re satisfied with the quality of onions, harvest and consider leaving white base in soil for regrowth.
How To Plant Green Onions In Water
Growing green onions in water is one of the most exciting ways to get more bang for your buck.
Here’s how to take your green onions from root to harvest using just a water-filled jar!
1. Cut Off Onion Stem
2. Rinse Stems
3. Fill Glass Jar With Water
4. Place Jar In Sunlight
5. Refresh Water
6. Harvest
Transplanting From Water
After growing green onions in water, you can move the stems to a soil-filled pot.
You’ll want to let the onions mature enough, waiting a little over a week should be enough time.
Again, the pot should have holes(good drainage), spaced roughly 1.5 inches apart.
Stick the green onion’s roots in the soil and cover white bulbs 2 inches.
Firm soil around the onion, you can fit 6-8 onions per standard-sized pot.
Transplanting directly to your garden bed is also an option, but using the pot method makes the transition smoother.
How To Harvest Green Onions
When your onions get approximately 10 inches tall, you can begin harvesting!
Keep in mind that cutting just above the onion’s base will leave just enough room for the plant to regenerate from soil.
Those were the best ways to grow green onion!
Now that you know how to plant green onions from cuttings, be sure to read our post on how to turn yellow tomato leaves green and prevent wilting.