Help with identity please

This is growing in my neighbours garden but is sending out rhizomes nearly everywhere in my garden, some at 4m long. I'm unsure what it is but thinking it could be a kind of knotweed. Any suggestions?


  • Hmmm, can't seem to find an option to add a photo.
  • WintersongWintersong Posts: 2,436

    The tree icon image

  • LynLyn DevonPosts: 15,255

    Click on the little green tree icon at the top of the posing box.

    Wont work on iphones.

    Gardening on the wild, windy west side of Dartmoor. 

  • Hostafan1Hostafan1 Posts: 23,660

    lol . Not sure about you Lyn, but no " posing box" here. xx

  • Ah yes I see it now. I was using my iphone and there isn't an option on there for adding pictures.  This has grown over 7' in a few weeks.



  • Hostafan1Hostafan1 Posts: 23,660

    Not saying for sure, but it does look like Japanese knotweed.

  • image




  • I'm hoping that it isn't Japanese knotweed as my neighbour is cultivating it and I heard him calling it his beanstalk the other day.

  • I can't get very close to see flecks as my neighbour is an odd character. I was thinking it more resembled the leaves on a giant knotweed plant. Thanks for the website link, that could be vey helpful.
  • SupernoodleSupernoodle Posts: 954

    Hard to tell from photos but it doesn't look quite right for Japanese Knotweed to me.  jk leaves are not so thin and long.

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