Garlic in a Greenhouse?

Discussion in 'Greenhouse Growing' started by Lizziepbe, Mar 1, 2011.

  1. Lizziepbe

    Lizziepbe Apprentice Gardener

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    Can I grow garlic in a greenhouse?

    I am a bit limited with space to grow veggies, although I try to dot them around in between my flowers and shrubs. I have some garlic to grow, but can I do this in a greenhouse? If so, when is it best to plant, how much water, etc?

    If not, which is the best spot in the garden - full sun or partial shade? Are there any plants which they do/don't like to be planted next to?

    Many thanks in advance for any advice :dbgrtmb:
     
  2. daitheplant

    daitheplant Total Gardener

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    Garlic needs to be frosted to get the best results, so shove it in the garden. A lightly shaded area would be fine, but get it in NOW.lol:dbgrtmb:
     
  3. pete

    pete Growing a bit of this and a bit of that....

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    I've never grown garlic, so I bought a few clove this year.

    I found some said Autumn sowing and some said spring sowing.

    So being a bit late I bought the spring sowing ones, to get it going I've potted it singly in the greenhouse, but I intend moving to a cold frame just as soon as growth shows.

    I'm treating it a bit like onion sets, (apart from potting it in the greenhouse), and will plant out in about April.
    I just get the feeling it might require a longer growing season than onions.

    We shall see.:)
     
  4. JWK

    JWK Gardener Staff Member

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    Garlic is very hardy, it needs to be outside though otherwise you end up with all stalk and no bulb - it doesn't need much space so you can squeeze it in amongst other plants.
     
  5. Daytona650

    Daytona650 Gardener

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    From what I understand (I planted my Solent Wight's in October and they're 6 inches high now) garlic needs to get cold to split the planted clove into a bulb, then warmth to grow and develop.
    I would imagine if you're growing in a greenhouse the clove won't split so you'll end up with one huge clove.
    If you do grow them in a greenhouse I'd be interested to hear how they do.

    Cheers.
     
  6. Kristen

    Kristen Under gardener

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    Yes, but that bit is "fixable" by sticking in the fridge for a few weeks.

    I was wondering if a variety grown in, say, Spain would be suitable for greenhouse growing.

    Personally I would prefer to grow a Melon in a Greenhouse, rather than Garlic!
     
  7. Daytona650

    Daytona650 Gardener

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    Sounds logical, Kristen, when you think about it. Putting the cloves in the fridge before planting should have a similar affect, I guess.
    There must be something out there that should work well in a greenhouse but I've had a quick Google and can't find anything suitable.

    The hardest part for me with garlic was leaving it over winter in the allotment. I felt like a bad parent, but fortunately it's all come good!
     
  8. shiney

    shiney President, Grumpy Old Men's Club Staff Member

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    Garlic is best planted outside and is generally considered to be a 10-11 month crop. That means it takes that long to grow to maturity. We usually plant ours out in October to be lifted Aug/Sept.

    We grow ours in the flower beds and not in the veggie garden. We tend to plant them in circles of 10 or so. This way they can be dotted around the garden in between other plants. They seem to work particularly well amongst roses.
     
  9. Honey Bee

    Honey Bee Gardener

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    I had to start my garlic in the greenhouse as the veg plot isn't ready yet. I was over on the Isle of Wight recently as youngest was playing rugby there, so took the opportunity to do some retail therapy at the Garlic Farm (and now I've got sooooooooo much garlic to plant!!!:DOH: ). The lady in the shop was really helpful & said it really needs to be grown outside, and started off outside too (as it needs to get the cold, etc) But........ watching Carol Klein's recent programme, she starts her garlic off in the greenhouse in trays, so I am hopful it wont have ruined the crop, but will have to wait and see later in the year when I harvest it. :scratch:

    (and oh my goodness!!!!! The pickled garlic is to die for!!! & you probably will if you stand too close to me after consuming!!:heehee:))
     
  10. Alice

    Alice Gardener

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    Hello Lizzie. as the others have said, garlic really needs to be grown outside.
    If space is your problem it will grow perfectly well in a container,
    It doesn't need to be very deep. 5 or 6 inches is fine.
    Plant the garlic about 1" deep and 4 " apart each way.
    Water it and feed it in the last month of its life - June / July.
    You'll get perfectly good garlic.
     
  11. Lizziepbe

    Lizziepbe Apprentice Gardener

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    Many thanks for all your replies and advice.
    I've decided to experiment - some in the garden, some in tubs, and a couple in the greenhouse just to see what happens! :)
    I'll keep you updated on the outcome.
     
  12. JWK

    JWK Gardener Staff Member

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    That's great Lizzie, I will be interested in your results. Keep us posted :dbgrtmb:
     
  13. Alice

    Alice Gardener

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    That's the way to go Lizzie.
    Keep notes and let us know. You could become our garlic expert.
     
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