Onions sets in modules

Hi all, hoping for some advice.  I have planted 100 onion sets in modules in the green house and they have just started showing green shoots.  

At some point in the spring I'll need to transfer them to the veg patch but do I pull just the onion out and transplant or see if I can gently remove the whole 'module' with soil and onion before transplanting?

Also, do I need to wait until the soil is warm or can they go out any time? 

Thanks!

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Posts

  • Busy-LizzieBusy-Lizzie Posts: 12,094

    I would remove the whole module. How wet is your garden? Wouldn't want them to rot. I don't plant my onion sets until the end of March, or even early April, straight into the ground in the veggie garden, you will have onions earlier than me, but mine ripen when the weather is warm in summer and they store very well. Didn't need to buy any onions last year.

  • BobTheGardenerBobTheGardener LeicsPosts: 6,475

    I do this every year with great success.  By the time it comes to plant them, the whole module will be filled with roots so there is no decision to be made. image

    A trowel in the hand is worth a thousand lost under a bush.
  • LynLyn Posts: 8,379

    I have grown mine in 5inch deep paper home made pots, as it is newspaper, the whole lot will be planted out, no root disturbance.

    Gardening on the wild, windy west side of Dartmoor. 
  • TonksTonks Posts: 54

    Busy Lizzie, my garden in sodden at the moment, no chance of them going out for a while!

    Bob, thanks for words of advice, now you mention it it seems obvious but has put my mind at rest.

    Good idea Lyn, you must have more patience than me, I'm not sure I could make ten paper pots let alone 100!

  • LynLyn Posts: 8,379
    Tonks wrote (see)

    Busy Lizzie, my garden in sodden at the moment, no chance of them going out for a while!

     

    Good idea Lyn, you must have more patience than me, I'm not sure I could make ten paper pots let alone 100!

    I have one of those gadgets calles a Potter, very quick and easy, made a hundred in no time.

    Gardening on the wild, windy west side of Dartmoor. 
  • Hostafan1Hostafan1 Posts: 14,665

    modules for me too. As others have said, once they're a decent size, they come out nice and easily ready to go in the ground,and the birds tend not to pull them out so easily, but they do try. 

    Devon.
  • scrogginscroggin Posts: 2,074

    Have used the module system for a couple of years and found it gives great results. Will wait till we have some sign of spring before I set them going though as at the moment I have no chance of getting on the allotment as its so wet.

    From planting in the modules in the unheated poly they only take a few weeks before they're ready to plant out. Probably start mine about early March.

    What varieties to people favour, I grow Centurion, gives good yields and stores well. No luck with red onions, I tried Red Baron but very mixed results.

  • BobTheGardenerBobTheGardener LeicsPosts: 6,475

    Setton for whites and red baron for reds, scroggin.  Both do well here but the reds do seem a bit slower to get going - I always start more than I need so the weakest don't make it to the beds.

    A trowel in the hand is worth a thousand lost under a bush.
  • BobTheGardenerBobTheGardener LeicsPosts: 6,475

    That's the ideal, Mike.  However, some soils don't warm up fast enough to give a long enough growing season for some crops, so the choice is to either give nature a helping hand or not grow certain crops and I would miss the onions!

    A trowel in the hand is worth a thousand lost under a bush.
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