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Growing Onions Vertically On The Windowsill

postheadericon One for the enthusiast

How nice would it be to just be able to pluck fresh green onions from the soil whenever you need them? Nothing beats fresh onions for your salads, dips or soup. But how can you ensure a supply of fresh onions at hand all the time?

Sure, onions are available all year round from the supermarket, but they are hardly fresh and there’s almost always no way to know for sure where they came from.

Gardeners of course will simply grow them but some simply have problems with available space.

I came across an image of spring onions grown vertically on the windowsill, using a common 5 Liter PBS bottle, which I thought was a practical, space-saving and green way to grow onions. I posted the image on our Facebook Page and a few people asked how it was done…


…and since I was curious myself, I did a bit of research and this is what I found:

FIRST, you need a planting vessel:

plastic bottles

NEXT, you need to remove the neck of the bottle then cut holes around it. You can use a scissor or a heated metal tool to make the holes. Make sure the holes are just the right for the onion bulbs.


NEXT, fill the bottle with layers of onion sprouts and soil.



Keep adding layers until you reach the top of the container.

NEXT, water it…


AND FINALLY, set it on your windowsill…

onions on windowsill - Copy

And watch daily as your onions grow…


In no time, you’ll have something like this:


So the next time you want to add some garnish to your food, sweet spice to your soup, to whip up a savory dish or to make a nice, crunchy salad, all you’ll need to do is pluck some from your vertical onion garden.

And you don’t even have to worry about storing them.

Wouldn’t this make a great project?

660 responses

  1. Pingback: How To Easily Grow Onions Vertically On A Windowsill | DECOR BUZZ

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  9. Toni

    Hello thanks for sharing. Is there other veggies. I can grow in this manner?

    January 10, 2016 at 8:51 pm

  10. Pingback: Grow Fresh Green Onions Any Time Of Year In A Plastic Bottle | Lifehacker Australia

  11. Royce

    Something to consider about the smell of onion in the house is that it might keep some of the regular bugs that like to come in from staying. An example is mosquitoes don’t like lemon grass.

    January 12, 2016 at 5:17 pm

  12. RE; “Make sure the holes are just the right for the onion bulbs.”

    Just “the right” what?

    February 16, 2016 at 3:57 pm

    • Bex

      Size. One can infer that from reading the whole sentence.

      December 14, 2016 at 1:08 am

  13. Neusa Maria de oliveira

    Adoro este App mas não sei ler inglês. …não tem como fazer pra traduzir

    February 25, 2016 at 12:47 pm

  14. Pingback: Vertical Gardening: Bulb Onions | farmer bubbles

  15. Hi…What a great idea!I have gardening on my list of ,to do things for today ,getting my succulents ready for summer and putting in a few tomato plants in the ground.Im going to include The Verticle Onion Container.Cant wait to try it!Oh yeah,I need bulbs!
    Thanks For The Idea!,Donba H.

    March 16, 2016 at 3:41 pm

  16. Ray Villanueva

    Thank you for this great tip. Grape tomatos grow great in flower pots just using the seeds you save from a batch that was particularly tasty. And if you use the right size pot it is easy to move them inside at night if there is still a risk of frost.

    March 21, 2016 at 2:31 am

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  24. Linda

    Love the idea. How often do you water the onions in the jug??

    May 9, 2016 at 10:39 pm

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  26. Gloria Loveland

    Thank you for sharing this! Love it! Gloria

    June 1, 2016 at 2:54 pm

  27. dhru

    How to water and what is lifetime of this?
    Do we need to put whole onions or only top of onions?
    Really great idea!

    June 11, 2016 at 12:00 pm

  28. Zachi

    I didn’t understand, if you cut the neck of the bottle, how come at the end in the picture the bottle has the neck again?

    June 22, 2016 at 7:27 pm

  29. Kristen

    I like that idea. I bet you could do the same thing with garlic!

    August 14, 2016 at 9:05 pm

  30. Pingback: How To Easily Grow Onions Vertically On A Windowsill

  31. Very good idea. I will try in my garden.
    Do we need a hole in the bottom of the container to drip out excess water ?
    Some thing about sand and manure is also needed to be explained.
    Over all it is good project to have fresh vegetable.

    October 21, 2016 at 2:01 pm

  32. Dorna

    Tu its a very good idea will try this

    November 13, 2016 at 12:54 am

  33. Pingback: How To Easily Grow Onions Vertically On A Windowsill | Garden Design Ideas

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  39. Ines

    Very nice idea

    February 2, 2017 at 8:01 pm

  40. Does the smell of onions linger?

    February 3, 2017 at 6:21 pm

    • not too badly 🙂 not like chopped onions

      February 4, 2017 at 2:03 am

    • mike

      Onions don’t smell until you cut them.

      February 7, 2017 at 4:26 pm

  41. Mila

    Thanks for sharing. I will try it this Summer

    February 16, 2017 at 11:27 am

  42. Pingback: How To Easily Grow Onions Vertically On A Windowsill – Oke Viral

  43. Charlene Rice

    I’m going to try this

    February 26, 2017 at 10:59 pm

  44. Marlys

    Do you just use the sprouted part or can you take onion and slice? Put back part of it and grow?

    March 6, 2017 at 5:43 pm

    • Just cut off the root end of your onion, leaving a 1’2 inch of onion on the roots.

      March 31, 2017 at 10:16 pm

  45. Elena

    Una idea genial…pero una pregunta, se corta la cebolla y sigue creciendo iguala???

    March 18, 2017 at 1:33 am

  46. Buzzie

    This is really cool

    March 23, 2017 at 10:31 pm

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  48. ناديا

    Very nice

    April 9, 2017 at 12:03 am

  49. Alisa

    Are you eating the onions too or just the greens?

    April 16, 2017 at 3:34 pm

  50. Maria Luisa Carvajal Ch.

    Muy practico y original, para tener cebollas frescas en la cocina todos los dias. Lo voy hacer ya tengo la botella. La felicito muy buena idea

    April 23, 2017 at 2:24 pm

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