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Is this Japanese Knotweed?

Is anyone able to advise whether any of the below plants are Japanese Knotweed?

Many thanks for your help

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  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,297

    No ... nothing to worry about image

    The first one looks like Centranthus ruber ... a traditional cottage garden type flower... it comes in either pink/red or white and you'll find it growing in every nook and cranny in Cornwall and other places too.  I'm trying to get it established in a narrow bed just like the one in your picture.

    The others look like bindweed.  Pull it up.  It'll grow again next spring and you can get some Roundup Gel from the garden centre and dab generously it on the leaves when they're growing strongly ... then leave the bindweed to go brown and die.  You may need to give it a couple of goes ... if it's coming in from next door then you'll just have to treat it every time it appears your side of the fence.  

    Last edited: 01 November 2017 09:36:02

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • Busy-LizzieBusy-Lizzie Posts: 18,386

    None in the first 2 photos. Not sure about the third, looks a bit like a sort of persicaria which is the family to which Japanese knotweed belongs. But there are many different sorts. Why do you ask? Have the neighbours got knotweed?

    Dordogne and Norfolk
  • Thanks for your replies. We are in the process of selling our property (Built in 2013) and our buyer had a survey done. The surveyor said he thought it was japanese knotweed growing through from our neighbours and so the buyer has pulled out! We have booked a Japanese Knotweed removal specialist to come and inspect but that is 2 days away.

  • Busy-LizzieBusy-Lizzie Posts: 18,386

    If your neighbours have a Japanese Knotweed problem then I fear the plant in the 3rd photo could be knotweed, not certain though. Good that a specialist is coming. Shame about your buyer, hope you find another one soon.

    Dordogne and Norfolk
  • Thanks. Have peeped over the fence and they have a concrete garden. There are some weeds near our fence but they look like the ones in the first photo and nothing like the one in the 3rd photo. Fingers crossed it's either not Knotweed or small enough to be dealt with without mass disruption!

  • image

    Thats a picture of the weeds in our neighbours garden

  • nutcutletnutcutlet PeterboroughPosts: 26,364

    the last pic looks like a mix but I can't see bindweed or JKW

  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,297
    philippa smith2 says:

    Me neither - it is not beyond the bounds that your buyer's surveyor was simply covering his backside to your detriment.  Surveyors in general are not known for their botanical expertise ......................................... Hopefully, your JN expert will be ale to set your mind at rest and offer a written report which you can offer to any prospective purchaser.


     This wouldn't be the first time we've been aware of a similar thing happening ... image

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • imageClearer picture there if it helps anyone....

  • IamweedyIamweedy Cheshire East. Posts: 1,364



    'You must have some bread with it me duck!'

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