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Invasive weed ID

Hi, can anyone confirm my thoughts on these weeds for me please? I have spotted them both in a garden I work in - they weren't around last year!  I think the spikey leafed one is giant hogweed ( it has large spikey mottled stems). However, I am not sure about the one with the taller mottled cane . I fear it might be knotweed as it is similar but the leaves look different to other images I have seen. It looks like bad news whatever it is but if anyone can confirm I would be very grateful. Thanks 

 

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Posts

  • CeresCeres Posts: 2,698

    The first certainly looks like giant hogweed so better get rid of that before you get sap all over yourself.

    The second could be voodoo lily but the picture is a bit small so identification is tricky.

  • nutcutletnutcutlet Posts: 27,445

    2nd looks like Dracunculus vulgaris.



    In the sticks near Peterborough
  • Mand3Mand3 Posts: 6

    Thank you - that was really helpful. it does look rather like the lily Dracanulus. i am perplexed though as it was not there last year and I haven't planted it and neither has the old dear who lives there. I will leave it be and see what happens. m 

  • nutcutletnutcutlet Posts: 27,445

    If it's not dracunculus it's a relation. It will have been the last year, that's 2 or 3 years old,  but until they put up those spotted stems they're quite insignificant.

    They're not lilies though, they're aroids. Different family



    In the sticks near Peterborough
  • Mand3Mand3 Posts: 6

    Great. Thanks again

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