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Japanese Knotweed

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Comment from Jenny Sagi


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We have unkempt gardens both sides of our S. London garden. Main worry is Japanese Knotweed, we've been pulling it up and burning it as the council won't accept it or advise. Apparently it could affect us selling the property. I've heard there's a bug that eats it, but think it is still in experimental stage. Does anyone know more , please?Pictures show adjacent properties and the weed!

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Japanese Knotweed (01/08/2013)

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  • Views: 923
  • Replies: 4
  • Posted: Thu. 1st August 2013 15:39

Re: Japanese Knotweed

Reply from Mick Diver

We had an infestation at work that needed eradicating before some building work could be undertaken. This stuff can grow through foundations! We used a specialist firm that injected each plant separately, and then repeated the process the following year. It worked though. I remember that the Olympic stadium suffered from the same delay too.

  • Posted: Thu. 1st August 2013 17:04

Re: Japanese Knotweed

Reply from mrs finch

we moved into our house 30 years ago and the garden was covered in it. I paid the children 1p for every 10 sticks they pulled up with dirt on the bottom(not roots, just to show they had got it to ground level) they did it every night. then when there was less every week. i cannot remember how long it took to get rid of it, i think for a few years after that i went out myself once a week looking for it growing back. I dont remember having it regrow for ages.

the trouble is that if it is coming from next door then no matter what you do to iradicate it from your garden, it will continue to come through form there.

  • Posted: Thu. 1st August 2013 21:49

Re: Japanese Knotweed

Reply from Nick Hartley

Cutting and burning is not really an option unless you have an infinate amount of time. One thing I would say is that at least one of the pictures you have attached isn't Japanese knotweed but most likely bindweed.

You need to get it treated by a professional company. I am happy to give you some advice as have been dealing with JK professionally for a long time but it wouldn't be cost effective for me to take on a residential project in London without charging you probably over a fair rate for it.

I have worked previously with Japanese knotweed control who are probably the best in the country at Stem injection. would suggest this is the route you go down. Even if you get it under control yourself, the minute you try and sell it you will have to get a warranty and it will cost a lot more to do this when you are up against it time wise. Much better to put something in place now.

Feel free to give me a call if you want some advice, the number for Ebsford is on our website.

  • Posted: Sun. 4th August 2013 09:40

Re: Japanese Knotweed

Reply from Jenny Sagi

Thank you, yes next door at the moment is a tent of wisteria but I suspect under the canopy is 'the Knotweed'. I'm contacting all the neighbours involved hoping we can unite and employ someone to eradicate it. I shall be in touch.

  • Posted: Tue. 6th August 2013 13:00