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  • Knotweed invasion.

    Before i had never had a problem with knotweed but with bramble,buttercups and clover, but now that i have cut dwon the bramble removed clover and buttercups are dying off anuually i am not being bestiged by Japanese knowtweed. So far i am geting little shoots coming accros the pavements and into are garden from next door. I reeally wish now the my old native weeds were here since the wher my blockade. I am pulling out any new shoot i see, but it is kind ov pointless since they come back twice as hard so what should i do
    Dont judge a plant by it's pot.

  • #2
    If it is JK then please dont dump it down the local landfill as it actually illegal to do so, Glyphosate is about the only thing will do anything to it and you will need multiple applications.
    Last edited by TEB; 04-06-2010, 03:39 PM.

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    • #3
      Oh dear- it's not quite as simple as that.
      I'm pretty sure it's a notifiable weed and that you need to be in contact with your Environmental Agency asap

      Environment Agency - Japanese Knotweed

      It is illegal to dispose of any tiny piece -and the ground will need digging down to about 15 feet before applying concentrated Glyphosate ( or something like that!).
      It is a very serious weed.

      You'll not be able to do this on your own and will need professional help.
      You say it is coming from the pavement? well I'd have thought the Council would be responsible for it's removal- and they are not aware of it's presence- as it is speading onto your land.

      Take lots of piccies- and don't touch it!...and get in touch with the people in the link above.
      Let us know how you get on.
      Last edited by Nicos; 04-06-2010, 04:07 PM.
      "Nicos, Queen of Gooooogle" and... GYO's own Miss Marple

      Location....Normandy France

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      • #4
        There are vast tracts of this stuff along the main waterways of London, and it is not unlawful to have it growing in your garden it is just unlawful to let it escape or to dispose of it in the general waste. Mine goes into the green waste as I know it will be chopped up and composted at a high temperature so it is definitely dead. If you can't dispose of it like that it is probably best to dry it out and burn it. It is unlikely you can ever get rid of it totally but you can annoy it severely.
        Whooops - now what are the dogs getting up to?

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        • #5
          Are you certain about the Green Waste Jeanie- I'm about 99.9% sure you can't! ( although I'm very happy to be corrected)
          "Nicos, Queen of Gooooogle" and... GYO's own Miss Marple

          Location....Normandy France

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          • #6
            Originally posted by Nicos View Post
            Are you certain about the Green Waste Jeanie- I'm about 99.9% sure you can't! ( although I'm very happy to be corrected)
            No you cannot, only at licensed site, but you can burn it say at home but you also need to deal with the soil that it was growing in a similar way.

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            • #7
              What is a licensed site, I wonder? As I said, the site processes the waste by rapid high temperature composting. They sell the compost back as a soil conditioner at the end of it all.

              Oh, well - at least I can press my chiminea into service on this one!
              Last edited by Jeanied; 04-06-2010, 05:01 PM.
              Whooops - now what are the dogs getting up to?

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              • #8
                OH DAM :O
                gosh so reaaly there is no way o entirely geting rid of it then
                Dont judge a plant by it's pot.

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                • #9
                  You have my sympathies it is a sod of a plant.

                  Saying that if it wasn't for it being such a thug I actually think it is a nice looking plant. When I lived in Liverpool the back area of the flats was just a jungle of it and it looked very nice.

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                  • #10
                    We had some in the village on a grassy lane. It was reported but the Environment Agency are only interested if it's by a waterway. The people who live nearby have glyphosated it to within and inch of its life. There are now only tiny bits trying to come up and they get squirted each time. I believe they will get the better of it!
                    Whoever plants a garden believes in the future.

                    www.vegheaven.blogspot.com Updated March 9th - Spring

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                    • #11
                      Eventually they will.

                      It does say on the website linked by Nicos the duty of care is on the land owner to deal with it. Who owns the land Flummery? It is them that need to be notified and if they do nothing about it then the EA as they may be able to tell them to deal with it.

                      Though what made me a bit incredulous is this:
                      It is a problem to the construction industry as it is capable of exposing weaknesses in buildings, foundations, concrete and tarmac.
                      Surely they should be making sure such weaknesses didn't exist in the first place, especially with foundations and buildings. In this case I would say it is not the plant that is the actual problem.
                      Last edited by Guttata; 06-06-2010, 12:52 PM.

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                      • #12
                        Not sure who owns the land. It's a path, sort of green lane, between houses and the village hall, and it leads to a farmer's field, so it's his access, but might not be his land. The caretakers of the village hall have been dealing with it. It's looking poorly!
                        Whoever plants a garden believes in the future.

                        www.vegheaven.blogspot.com Updated March 9th - Spring

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                        • #13
                          Originally posted by Guttata View Post
                          Surely they should be making sure such weaknesses didn't exist in the first place, especially with foundations and buildings. In this case I would say it is not the plant that is the actual problem.
                          If only it was that easy, it is costing the UK 150 million a year just to try and control it, an estimated 20 Billion to eradicate it, it is not in a developers or councils interest to spend this kind of money if they can help it but it is what they are having to do because of this plant, why do you think it has to be disposed of properly and is classed as hazardous waste.
                          Did read the other day that one building society has refused a remortgage on a house because of JK.

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                          • #14
                            There's some over grown land behind our house that belongs to the pub up the road and it wasn't until yesterday we realised there's Japanese Knotweed growing and its only 12ft away
                            Location....East Midlands.

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                            • #15
                              There is an insect that will destroy JK but as far as I know the Govt are still uming and aring as to weather to introduce the insect into this country.

                              Ian

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