Our 2021 Garden: onions – to trim or not to trim?

I remembered to get a photo of our onions in their new location in the sun room.

I ended up removing the plastic on the mini-greenhouse frame, so it wouldn’t get too warm, and so there would be air circulation from the ceiling fan.

This is early enough in the morning that the room is still “dark”, but once the sun comes around, it gets many hours of sunlight. The ceramic heater is just enough to keep the seedlings from getting chilled overnight. We’re supposed to get snow starting tomorrow night, at with point I might put the plastic cover back on.

There should have been trays for three types of onions in here by now, but the shallots died off and I had no seeds left to try again, and the reseeded bunching onions are still in the aquarium greenhouses inside, for a while longer. By the time those are ready to be moved over, we’ll be bringing the tomatoes and gourds into here, too.

I have a question for those who grow onions from seed.

Should I trim these?

I’d read that onion seedlings should be trimmed when they reach about 6 inches, to about 3 inches, while they await transplanting. I would have done it by now, however, I’ve since heard from people who say to NOT trim them, because then you get smaller bulbs. They were pretty adamant about it, while others were just as adamant about the opposite.

I’m inclined to trim them, but I wanted to hear from anyone with more experience than me with growing onions from seed. I am more than eager to listen to the advice of others!

Did you trim them, or not?

What do you recommend?

The Re-Farmer

4 thoughts on “Our 2021 Garden: onions – to trim or not to trim?

  1. I am not familiar with the ‘no trim’ philosophy, so I hope you try both and report back! :). I do trim ours, first at transplanting, so they stay up better and don’t get wet and moldy lying on the ground and getting stuck under the mulch. Then I trim them up again before I ‘spoon’ them. This is the technique that helps them bulk up once they begin bulking, which here in East TX is right now. To spoon them you just do the opposite of what you would do to leeks or asparagus, instead of mounding the dirt up, you pull the dirt back to expose the top of the bulb. Have you heard of this before? I’m experimenting this year to see the difference on size between spooned and un-spooned and will report back!

    Liked by 2 people

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