FREE online Japanese knotweed identification

Please fill out our contact form below and attach an image of your suspicious weed and we will identify this for you. If you have any questions, need more information about invasive weeds or any advice about Japanese knotweed removal, please get in touch!

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Images of invasive weed - Please include a photo of the leaves and stem

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Get in touch…

We cover the entirety of the UK so please get in touch for any further details about a site visit, a site survey or a management plan.


Freephone: +44 (0)800 1337 444 Birmingham: +44 (0)121 6631444
Stoke on Trent: +44 (0)1782 479 444 Chester: +44 (0)1244 911444
Manchester: +44 (0)161 8831444 Derby: +44 (0)1332 460644
London: +44 (0)203 6377 444 London: +44 (0)207 0431 344
London: +44 (0)208 1917 044


Head Office

Japanese Knotweed Expert

Station House, Station Road, Barlaston, Staffordshire, ST12 9DQ

Please note, we reserve the right to charge for advice which exceeds a 10 minute telephone call.



Japanese Knotweed Ltd is proudly represented by our parent company Planterra Ltd. The Planterra group provides a range of services within the land maintenance and development industry including landscape schemes and strategies, the removal of Japanese Knotweed and other invasive weeds and Part 35 Compliant Expert Witness reports. To find out more please click the link below…