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Lasagna gardening and couch grass

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  • Lasagna gardening and couch grass

    when starting new veg beds using the lasagne method, will this kill off couch grass underneath as I have read its a bit of a bugger to kill off.
    I am planning on leaving it over winter before planting in spring.
    Last edited by janzbro; 25-10-2015, 06:47 PM.
    82.6% of people believe any statstic!

  • #2
    Sorry to say couch grass will grow through almost anything. The best way is to dig out as much as possible and keep on weeding it out, or you can go down the chemical route when it is growing well. It's a bit late now better left until spring.
    Gardening requires a lot of water - most of it in the form of perspiration. Lou Erickson, critic and poet

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    • #3
      I would try and get as much out as possible. Wait until the frosty/icy days - it comes out quite easily then.
      .......because you're thinking of putting the kettle on and making a pot of tea perhaps, you old weirdo. (Veggie Chicken - 25/01/18)

      My Youtube Channel - https://www.youtube.com/channel/UCnC..._as=subscriber

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      • #4
        but isnt the ground rock hard as well?
        82.6% of people believe any statstic!

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        • #5
          Originally posted by janzbro View Post
          but isnt the ground rock hard as well?
          Only if it so cold that it doing serious damage to the reproduction organs of brass monkeys - then yes, the ground will be too hard to dig.

          However, if it's only sort of icy/frosty - then I find my soil (which is heavy clay) a pleasure to dig over in those conditions - and the couch grass comes out a lot easier.
          .......because you're thinking of putting the kettle on and making a pot of tea perhaps, you old weirdo. (Veggie Chicken - 25/01/18)

          My Youtube Channel - https://www.youtube.com/channel/UCnC..._as=subscriber

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          • #6
            I've found it still alive after months at the bottom of my compost bin. Chemicals seem to be only way to kill off permanently.
            Riddlesdown (S Croydon)

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            • #7
              I have a go at digging it out but if it rears its head again then Its chemical warfare time
              82.6% of people believe any statstic!

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              • #8
                I dug up turves of grass mixed with couch grass and buried them upside down two spits deep. This seems deep enough to kill it as it hasn't come back. It's a lot of hard work though, it might be easier to weed it out!
                Gardening is cheaper than therapy and you get tomatoes

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                • #9
                  Originally posted by DannyK View Post
                  I've found it still alive after months at the bottom of my compost bin. Chemicals seem to be only way to kill off permanently.
                  It will die in the compost heap but needs to be inside the heap. Making sure it's really well covered up is essential.
                  If you stick it (and other nasty weeds) in black compost bags and leave them for a couple of years it all rots down really nicely.

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                  • #10
                    Originally posted by alldigging View Post
                    It will die in the compost heap but needs to be inside the heap. Making sure it's really well covered up is essential.
                    If you stick it (and other nasty weeds) in black compost bags and leave them for a couple of years it all rots down really nicely.
                    Unless the compost heap is really hot, putting couch in there is a recipe for disaster. Most allotment compost heaps don't get hot enough and the contents degrade rather than compost down and this will feed couch rather than destroy it.

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                    • #11
                      If I was doing a lasagne bed -I would do it the same way I make lasagne at home.

                      Ensure the dish (bed) was free of any nasty left over food (couch grass) and make sure there was no traces of detergent (weedkiller) that would impact on taste. The finished product is so much better.

                      Just saying like.
                      .......because you're thinking of putting the kettle on and making a pot of tea perhaps, you old weirdo. (Veggie Chicken - 25/01/18)

                      My Youtube Channel - https://www.youtube.com/channel/UCnC..._as=subscriber

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