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Thread: How many tomato plants in greenhouse

  1. #1
    alim0229 is offline Germinator
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    Default How many tomato plants in greenhouse

    Hi there

    Just some advice please, how many tomato plants is recommended for a greenhouse. I have a 10ft x6ft greenhouse. I am using giant growbags with three plants per growbag.

    Is there a particular rule people follow for spacing plants, maximum number of plants per space. Could I have two rows of growbags on each side of the greenhouse this would yield 18 plants per side of the greenhouse, so at least 36 plants in the greenhouse

    Am I asking for trouble here with airflow related problems

    Thanks

  2. #2
    Aberdeenplotter is offline Mature Fruiter
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    With two deep it won't just be airflow problems. You need access to look after the plant, sideshooting etc.

  3. #3
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    HeatherL is offline Seedling
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    I think our greenhouse is 8x6 and last year we had 6 of the New Horizon Giant Growbags in it, 2 along each side. We had 2 cucumbers in one, 4 peppers in another, and the rest either had 3 or four tomato plants in. As it was our first year growing, we didnt keep on top of nipping out the sideshoots on the toms and they ended up taking over!

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    I had 11, in pots last year in my 6x10. It was crowded peak season, but I removed some leaves to aid airflow. Here's a photo at the start of the season:


  5. #5
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    I tried the two deep banks of tomatoes the first year I had a greenhouse, didn't do that again, airflow, light, harvesting, armpitting etc were all a nightmare and I'm not sure I got that much more crop either.

    Some of us live in the past, always talking about back then. Some of us live in the future, always planning what we are going to do. And, then there are those, who neither look behind or ahead, but just enjoy the moment of right now.

    Which one are you and is it how you want to be?

  6. #6
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    VirginVegGrower is offline Gardening Guru
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    I have a 10 x 7 greenhouse with staging down one side. So I used the one length and end width to grow tomatoes, this meant I could fit in 4 grow bag trays. I had one grow bag per tray and three plants in each, but left me the walkway in the middle down to the plants at the end. I also use the ring culture pots which give me extra depth as I fill them with additional compost. In total 12 plants and the yields were brilliant. I made masses of passata and had fresh tomatoes for us and family/friends as well. You do have to step up your watering and feeding regime though and keep on it. The staging grew cukes and peppers, although cukes and toms are supposed to like differing conditions. I haven't had a problem with this though.
    Good luck on whatever you decide
    Last edited by VirginVegGrower; 07-05-2012 at 09:55 AM.
    Look deep into nature, and then you will understand everything better...Albert Einstein

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  7. #7
    Aberdeenplotter is offline Mature Fruiter
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    Just had a rough count of the numbers of tomato plants I have to accommodate. 22 including three beefsteak I actually bought today. Lovely plants but reduced to clear because of the date. Stupid innit.

    p.s. Also bought a pack of 20 petunias reduced from £3 to £1. Super plants
    Last edited by Aberdeenplotter; 30-04-2012 at 12:49 PM. Reason: added p.s.

  8. #8
    Currysniffa's Avatar
    Currysniffa is offline Cropper
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    Last year in my 8x6 I had 9 tomatoes 8 peppers 2 cucumbers and a Jalapeño Chilli so 20 plants in total. This year I have 2 8x6 greenhouses to fill \o/ so will probably double up on the tomatoes and grow a few more chillies.
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