When to plant onion sets?

missmoneypenny · « **on:** February 20, 2021, 09:58 »

My onion sets should be arriving today or Monday. Is it too early to put them in? Nice weather forecast for next week, then cooler but no frosts forecast for the week after. I’m in London. Thank you.

Blewit · « **Reply #1 on:** February 20, 2021, 10:12 »

Mid March to mid April. If you plant them too early they're more likely to bolt. Hold back with red onions sets until mid April for the same reason.

missmoneypenny · « **Reply #2 on:** February 20, 2021, 10:44 »

That’s really helpful thank you Blewit.

Nobbie · « **Reply #3 on:** February 20, 2021, 18:17 »

Quote from: Blewit on February 20, 2021, 10:12

Mid March to mid April. If you plant them too early they're more likely to bolt. Hold back with red onions sets until mid April for the same reason.

Never heard that about red onions before and always have trouble with them bolting. I’ll give it a go this year.

mumofstig · « **Reply #4 on:** February 20, 2021, 18:47 »

I've planted mine in modules in the greenhouse, so they get a good start..

Sparkyweb · « **Reply #5 on:** February 21, 2021, 09:40 »

Quote from: mumofstig on February 20, 2021, 18:47

I've planted mine in modules in the greenhouse, so they get a good start..

This is interesting. Is the greenhouse heated?
I assume you’ve just used normal compost?

mumofstig · « **Reply #6 on:** February 21, 2021, 09:56 »

Greenhouse heated? No. Ordinary compost? Yes, anything laying about

it's only to get them started - they'll be planted outside in a few weeks weather permitting.

Sparkyweb · « **Reply #7 on:** February 21, 2021, 10:14 »

Perfect! That’s this afternoons job sorted then!

Alank · « **Reply #8 on:** February 21, 2021, 19:21 »

I always start a few early in the greenhouse and save the rest to plant directly during March/April the later ones being for storage over the winter.

missmoneypenny · « **Reply #9 on:** February 22, 2021, 08:59 »

That’s interesting. I don’t have a greenhouse but my shed window lets in a decent amount of light so I might try this.

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When to plant onion sets?

missmoneypenny

When to plant onion sets?

Blewit

Re: When to plant onion sets?

missmoneypenny

Re: When to plant onion sets?

Nobbie

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mumofstig

Re: When to plant onion sets?

Sparkyweb

Re: When to plant onion sets?

mumofstig

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Sparkyweb

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Alank

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missmoneypenny

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