Information about Covid19:
Please read our information on how we are supporting residents and businesses, as well as information on affected services.

Japanese knotweed publications

For general information about Japanese knotweed, its identification and guidance for its control you can download our leaflet. This includes a useful decision tree for deciding on the best course of action.

 Guidance for identification and control

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You can also download the information leaflets below which provide more specialist information about Japanese knotweed identification and control of this invasive weed.

Advice to planners, developers and hauliers: 

The Cornwall Knotweed Forum and partners have also produced occasional reports: