How do I remove Japanese Knotweed?

Question

Hi - I have been told that I may have japanese knotweed in the back garden, how do I go about checking this and then removing it? Do I need a specialist?

Gareth · Accepted Answer

You NEED a specialist to remove the knotweed as they need a licence to remove it from ANY property or land. Make sure they are registered as if someone removes it and doesn't have a licence to do so then YOU would also be fined too along with the company that removed it. Knotweed is an invasive species and requires specialist and controlled removal and cutting, the roots of the plant go down over 6 feet deep and spread out so is very hard to kill completely, it spreads fast and wildly... Good luck

Russell · Answer

First of all are you should it is Japanese Knotweed as some one come and look at it to Confirm it is Japanese Knotweed if so you will Need a Specialist company to deal with this.

But you can get some one to weed spray the Area and this will be over a three year period And if you can, three times a year over the three Years. I can come and look for you if you need it. 
Thanks

Mark · Answer

Good afternoon
Unfortunately you will need to get hold of a specialist to first of all identify it as Japanese Knotweed and then treat it accordingly.
This plant can be harmful, hence the need for a specialist, and the area will need to be cordoned off and only when they return to sign off your garden as knotweed free will you be allowed to carry out garden maintenance, certainly in the area where knotweed has been identified.

Hope this helps

Amy · Answer

Depending on how deep you would have to go & also how much you had, I would suggest hiring a digger if you want to remove it completely from your garden or getting a specialist to help with that!

Alessio · Answer

Hello. 
To make sure you really have it check some photos on internet, looking for photo of the seedlings too. When the JKW is small one doesn't recognize it at first sight very easily. 

To remove it you need a specialist because the disposal of it needs to comply with specific rules. Some specialized companies are available to do the first survey to confirm if it's really JKW or not free of charge.

Chris · Answer

Specialist advise needed for this can be costly but worth doing

John · Answer

If the knotweed is tall, cut to ground level, then spray the regrowth while quite small. Don't let it grow to large. Use Roundup, may need several applications.

Osman · Answer

The best anyone can give you here is to hire a specialist who will be able to identify it and advise on the appropriate solutions.

Daniel · Answer

Need a specialist Donot touch it yourself or disturb it

Michael · Answer

Yes you need a specialist, it's not cheap to remove because they need to dig down around 6 foot further than the last piece of root they find.
Please do not use anyone other than a specialist.

How do I remove Japanese Knotweed?

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