Tomato Growing Thread 2022

Discussion in 'Edible Gardening' started by JWK, Jan 1, 2022.

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  1. Sheps

    Sheps Keen Gardener

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    Hi everyone...my toms ( GC bought ) are currently switching between a windowsill during the night and a sunny bench during the day.

    The toms are in 15cm pots and are about 20cm tall, so would the 30 degree temperature in the greenhouse be too much for them at this early stage?

    IMG_20220422_141821668_HDR~3.jpg

    Ta very much.

    Sheps...
     
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      Sheps, Apr 22, 2022
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    • Balc

      Balc Total Gardener

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      Are you sure that's the right temp in your greenhouse??? If it is then you should ventilate it as that sort of heat will kill many plants! Outside in the open air they could probably take it with little or no trouble but then the air is moving around & they would probably have access to more water.
       
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        Balc, Apr 22, 2022
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      • Sheps

        Sheps Keen Gardener

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        Hi Balc...the digital max / min thermometer was showing 30 degrees as a max reading today with the 3 roof vents and 2 louvres open, admittedly the door was closed, but that would be left open if there were plants in there during the day, the regular thermometer was reading about 26 degrees.

        Sheps...
         
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          Sheps, Apr 22, 2022
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        • Tinkerbelle61

          Tinkerbelle61 Happiest Outdoors!

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          Hi everyone

          Now have a greenhouse for tomato growing, am going to try ring culture for the first time, I have some J Arthur Bowers reusable/recyclable rings. Any advice on what size gravel I should use in the trays please?

          Thanks
          Tink
           
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            Tinkerbelle61, Apr 23, 2022
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          • JWK

            JWK Gardener Staff Member

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            30c is high and I'm getting the same temperature inside mine at the moment even with door and vents fully open. I have to put shading up in the summer which helps a bit. At this time of year all my seedlings come out the greenhouse on sunny days, they then get direct sunlight and cooler temperatures. Otherwise they can get leggy and frazzled inside.
             
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              JWK, Apr 23, 2022
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            • JWK

              JWK Gardener Staff Member

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              Tomatoes can take up to 35c but above that will affect their growth and may kill them
               
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                JWK, Apr 23, 2022
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              • JWK

                JWK Gardener Staff Member

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                Don't think it matters that much but probably go for smaller gravel as the roots find their way in for a drink.
                 
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                  JWK, Apr 23, 2022
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                • Glynne Williams

                  Glynne Williams Keen Gardener

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                  Amazingly high temp! Ours are hardly much above 23-4 with vents etc open. Had new openers fitted recently and they seem to be working well! Door has to be open to satisfy me I'm taking care of the plants!
                   
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                    Glynne Williams, Apr 23, 2022
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                  • pete

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

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                    If the sun comes out I open the door and the vents all open automatically at this time of the year.
                    First job most sunny mornings, open fully cold frame and doors on both green houses, even the one with the cacti in it.
                     
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                      pete, Apr 23, 2022
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                    • Sheps

                      Sheps Keen Gardener

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                      Thanks everyone...I have a sacrificial Beefsteak F1 that is going to test the waters, will see how it gets on in due course.
                       
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                        Sheps, Apr 23, 2022
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                      • Glynne Williams

                        Glynne Williams Keen Gardener

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                        I remember those days !!! Don't know what it is these days though. My wife has taken over much of my work as I have to sit down more. (Oh what a shame, poor old man!) And I have to force myself to CHECK. So I look at the garden, check the sun, look at the door of the cons/greenhouse, before asking in a loud voice, " How hot is it in the conservatory?". These days I get, "those openers are working well, bit warm so I've opened the door", which of course I can see open! Look I'm basically idle! Aren't I ????
                         
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                          Glynne Williams, Apr 23, 2022
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                        • Tinkerbelle61

                          Tinkerbelle61 Happiest Outdoors!

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                          Thanks @JWK will go for pea shingle.
                          Tink
                           
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                            Tinkerbelle61, Apr 23, 2022
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                          • JWK

                            JWK Gardener Staff Member

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                            It gets very hot on our patio too, around 25c today as there is a cooling breeze. It's been over 30c in the last fortnight. My greenhouses will have some natural shading soon, there are some mature deciduous trees just about to leaf up, that helps.

                            The smaller greenhouse still has bubble wrap insulation which doesn't help as the vents are obstructed. Once all fear of frost goes the insulation will come out.
                             
                            JWK, Apr 23, 2022
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                          • Loofah

                            Loofah Admin Staff Member

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                            You could also look at clay pebbles
                             
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                              Loofah, Apr 23, 2022
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                            • JWK

                              JWK Gardener Staff Member

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                              I've only ever used a few clay pebbles in pots to make them lighter to move. Can you buy them in big bags at a reasonable price then @Loofah ?
                               
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                                JWK, Apr 23, 2022
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