Green Onions
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Green onions are a hardy vegetable that grow best in cool weather. Green onions (also known as scallions or spring onions) can be grown from spring to fall, and in warmer climates, from fall to spring
Spring Planting
Plant green onion seeds directly in the garden as soon as you can work the soil, about 8 weeks before the frost date. Continue planting every two to three weeks for a continuous harvest. You can also plant onion sets, preferably a white variety.
Fall Planting
Plant green onion seeds or sets up until 10 weeks before the fall frost date.
If you live in a mild climate with a late or no fall frost date (after Nov 1), you might be able to grow green onions all during the winter.
Soil and Fertilizer
Onions grows best in a rich soil; amend with lots of compost and fertilizer (chemical or organic) at planting and every 3-4 weeks during the season.
Fertilizer: 16-16-8 at planting, 21-0-0 every 3-4 weeks.
Harvest
Harvest green onions anytime after they reach 6” (15cm). If you cut 1” above the root, it can be replanted to grow more green onions.
More Resources
- Onions Reference Sheet (Utah Extension Service)
Nope, eat all you want. But if you want to replant and grow more, cut off the last inch and put it in the soil.
We always eat the white onion part on the bottom … is that wrong?
I don’t pull my green onions, I just cut low on the stalk, maybe leaving an inch or less. It will grow back. In fact, in the 2011 Utah winter, my green onions never stopped growing outside, and early spring some have already decided to bolt.
Yes, I read this is true! But it only works once, I think.
Made a fun discovery this month! Bought some green onions from the grocery store and rather than throwing the white tips into to the compost, we replanted them. Just days later they started regrowing, and 2 weeks later mine are 6″ tall.