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How to Grow Spring Onions (Scallions)

How to Grow Spring Onions
Filed Under: Growing Edibles How-To

How to Grow Spring Onions

Update (Jan 2014): First posted in Feb 2011, now updated with new photos.

Check Out: How to Grow Coriander

Even though I consider myself pretty hopeless in gardening (no modesty here, I killed MANY plants over the years), spring onions are what I grow on a regular basis. They are just so easy to grow! You only need soil, shallots and lots of sun. They are grown without fertilizer, pesticides or chemicals. May I say they are organic? Most people will probably throw away aged sprouted shallots but I am so happy to see them – I knew that they were the perfect candidates for growing spring onions. Here’s a step-by-step photo guide for growing your own spring onions.

A note about terminology. Most places use the terms ‘spring onion’ & ‘scallion’ interchangeably. However, some make a distinction between the two – scallions do not have a bulb whereas spring onions do, though both belong to the onion family. Going by this definition, the spring onion sold in Singapore will be more accurately termed scallions BUT we always call them spring onions here. In the post title, I’m using the terms interchangeably. If there is any terminology disparity, it is just how different countries term them.

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How to grow spring onions
 Shallots For the uninitiated, spring onions are grown from shallots (small red onions). These are regular unsprouted shallots that are typically used in cooking.
How to Grow Spring Onions (Sprouted Shallots) Sometimes we have sprouted shallots in the pantry and they are actually the easiest and fastest for growing spring onions because the process has already started. You can try asking the vegetable grocer at the wet market if they can give you some sprouted shallots since they will be discarded anyway. The bulb is actually the food for the plant, so the bigger the bulb, the better your spring onions will grow.  The bulb will shrink over time as the shoots absorb the nutrients from the bulb.
How to Grow Spring Onions In a pot of soil, plant to submerge the shallots, leaving some space between each shallot.
How to Grow Spring Onions This is what my pot of spring onions looked like after 6 days. If you are growing from unsprouted shallots, they will take longer.
How to Grow Spring Onions This is what my pot of spring onions looked like after 10 days. I have started to cut them for use.
How to Grow Spring Onions At about 20 days, I harvested the spring onions to keep in the fridge. At this point in time, even if you don’t harvest them, they will start to wither in the pot, so it is better to harvest when they are still looking good. As for the bulbs in the soil, I discarded them. If you don’t discard, they will continue to sprout from where you cut and baby shallots will sprout in the soil – but to me, the process is long-drawn and messy, so I prefer to grow new spring onions by repeating the process.
How to Grow Spring Onions This is where I place my pot of spring onions. As you can see it’s a pretty sunny spot. At this location, my potted plants get the direct morning sun. This is the only edible plant which I did not add fertilizer since the spring onions get their food from the bulbs; but if you like to, you can add a tsp of organic fertilzer every fortnight.

P.S. I don’t know much about gardening. I’m simply growing them (mainly edibles such as mint and coriander) so that they can come in handy for my cooking and photo shoots. I am sharing my successful gardening projects to share with those who are interested to grow their own foods. Therefore, I apologize in advance for not being able to give any good advice on plant care, except for what type of conditions worked for me.

65 comments on “How to Grow Spring Onions (Scallions)”

  1. Do spring onions come from garlic also? I had this one clove of garlic from a bulb I’ve had for a couple weeks now, and yesterday it had some green sprouting out of it! I just cut it off and used the rest of the garlic…

  2. Hello Wiffy ^^

    You know, I was very shocked when I first came to Portugal and found no spring onions sold at the supermarkets here…
    So I had no choice but grow my own spring onions at home.
    But the spring onions here are rather thin and weak, so I killed em after a few months… -_-

    But then, after seeing this article of yours, I feel like I wanna start growing em again! Cause spring onions are a must for Asian dishes! ^_-

    • no spring onions in Portugal? oh no >_< Hope you have great success growing them again, use bigger onions/shallots for more lush spring onions.

    • Thanks for your comment on my blog, Wiffy!
      Happy Valentine’s Day to you too! ^^ Hope you had a great time with your loved one ^^

      Well, in fact there are spring onions in Portugal, but they are a different kind… So yes, I’ll have to start growing my own spring onions again.
      Wish me luck ^_-

  3. How long did it take for your onion to sprout?

    • this particular onion sprouted soon after buying… like within one week… but usually I think it takes a few weeks for them to sprout on their own.

  4. it’s true though that spring onions are probably easiest to plant! Well done on some fresh veges from your garden!

  5. This is such a great idea! i often need just a few stalks in my cooking and end up wasting all the rest of the bunch. now i remember, my mother used to do just that!

  6. Hi Wiffy, what type of soil do you use and how often do you need to water them ? Thanks.

  7. Hi wiffy,

    Thank for sharing, this is wat i want! thanks again!

    Btw once it grow. we only cut wat we needed or pluck all out?
    Do they continue to grow if we only cut wat is needed?

    • It didn’t seem to continue growing from where I cut. I basically cut whenever I need, and after it’s used up, I plant new ones.

  8. wow! i have rosemary and mint at home (basil = dying, thyme = died T_T), we generally get free scallion when buying veg from the market, but it would be nice to grow my own…and i always want to grow coriander, wondering if it’s easy to grow…

    • I grew coriander from seeds before. They were really mini, but they have the distinctive fragrance, you can definitely try it during summer :D

  9. my son did this for his nursery class and the spring onion grew quite tall. however after we transferred it from water/cotton based to soil, it died…

    any way, if you don’t want to use soil, you can always use a damp cotton wool and let the onion sit on it… just keep the wool damp by watering at least once a day.

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