Can you identify this??

Discussion in 'Plants: Identification' started by gypsy0871, May 15, 2006.

  1. gypsy0871

    gypsy0871 Member

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    Location:
    Rochester, NY, USA
    This plant is on my fence line, in 1 week it grew aproximately 1'.
    After searching through all the posts on this website, I think it might be Japanese Knotweed, but I'm not sure. Please let me know if it is or if not what it might be.
    Thanks in advance!
     

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  2. NiftyNiall

    NiftyNiall Active Member 10 Years

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    Location:
    coquitlam
    Japanese Knotweed,( Fallopia sp., Polygonum cuspidatum) it is.
    Remove it now while it is still not well established, from the pictures it appears to be a few years old already.
     
  3. gypsy0871

    gypsy0871 Member

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    Can you reccomend the best way to remove it. Permanently?
    Also is it poisonious or anything I should worry about?

    Thanks
     
  4. Ron B

    Ron B Paragon of Plants 10 Years

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    The only problem is that it spreads underground to form a patch. Try digging yours out before it gets any bigger.
     
  5. gypsy0871

    gypsy0871 Member

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    Thank you very much. my neighbor also has one on her side of the fence.
    Thanks again. This is my first time posting anything, and it was easier than I thought it would be.
    Are you saying I have to dig it out and try to get as much of the roots as possible?
     
  6. Ginger Blue

    Ginger Blue Active Member

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    Yes, get every last bit. And consider using Roundup. This is one plant which justifies its use!
     
  7. Carol Ja

    Carol Ja Active Member 10 Years

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    Location:
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    You might want to notify your neighbor that it is highly invasive so they can get rid of thiers also.
     
  8. gypsy0871

    gypsy0871 Member

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    Thank you everyone.
    I do have another plant I'll post pictures of for an ID. Havent done it yet. talk to you later.
     
  9. Dee

    Dee Member

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    Location:
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    This plant is a real problem here in Cornwall, with ongoing programmes to control it.

    If you dispose of it,don't even think about trying to compost it as it can regenerate from a piece 1cm long. Even if it is burnt a small piece of non-charred tissue can regenerate too. It can force it'sway through concrete and tarmac. The local amenity sites do not allow it to be dumped it has to go to a special centre for disposal.

    It can be controlled with several applications of strong weedkillers- best done when it is growing strongly, just before it blooms, and this may have to be repeated for up to 4years.

    It has also recently been found to hybridise with 'Russian Vine' Fallopia baldschuanicum, which at the moment is causing much concern as this plant is also a problem here and just as hard to eradicate, faster growing and a real problemas it smothers trees.
     
  10. gypsy0871

    gypsy0871 Member

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    WOW! It sounds like I might have a minor fight on my hands.
    If I need help identifying another plant can I just add it to my reply? or do I create another post?
     
  11. Daniel Mosquin

    Daniel Mosquin Paragon of Plants UBC Botanical Garden Forums Administrator Forums Moderator 10 Years

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    New topic, new thread please (i.e., start a new discussion)
     
  12. Michael F

    Michael F Paragon of Plants Forums Moderator 10 Years

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    Remember reading about an army parade ground with an infestation of Japanese Knotweed - needless to say, they couldn't parade through the stuff

    They tried every different kind of weedkiller. None of them worked.

    So they went to it, typical army fashion. Get out the flame-thrower, and burn it all off.

    Then put down 15cm of concrete.













    The next spring it came up through the concrete . . .
     
  13. gypsy0871

    gypsy0871 Member

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    Thank for that great news, Michael F. I see what I have to look forward to, unfortunately I cant have uncontained fires in the area I live.
     
  14. gypsy0871

    gypsy0871 Member

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    I'd like to thank anyone who helped me. I cut this down, sprayed round-up on it and it hasnt come back yet. Been about 2 weeks.
     

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