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Japanese knotweed

Reported via iOS in the Grass and Hedges category anonymously at 22:41, Wed 9 October 2019

Sent to Oxfordshire County Council 4 minutes later

I’ve reported this stand of Japanese knotweed a few times over recent years and it is still being flailed when the verge is trimmed. Why is the contractor or landowner not being made aware that this is likely to cause this to spread, which is illegal under the Wildlife & Countryside Act? The Council is making itself liable for prosecution if it fails to ensure its contractors are being made aware of this and taking the right action to prevent its spread. Please indicate on the feedback here to whom this report is being passed onto.

The stand should be treated with herbicide and it’s location marked with road pins and tape to prevent flailing. Dead canes can be cut back by hand and disposed of after herbicide treatment, which should be done in the autumn after flowering. Over-treatment can promote dormancy or ‘bonsification’ making further treatment less effective.


Council ref: ENQ19844671

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  • Thank you for your enquiry. This issue has been passed onto the relevant team for investigation.

    State changed to: Investigating

    Posted by Oxfordshire County Council at 22:45, Wed 9 October 2019

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