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Old 27-07-2007, 10:33 PM posted to uk.rec.gardening
[email protected] alfred@invalid.net is offline
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First recorded activity by GardenBanter: Jul 2007
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Default Cure for Knotweed?

On Fri, 27 Jul 2007 19:35:24 +0100, "Robert \(Plymouth\)"
remove my other hobby to reply
wrote:


"A.Lee" wrote in message
.. .
I've been asked to have a look at some Japanese Knotweed, to see if I
can clear it.
My first reaction was 'no', as I know what a pain they can be to clear,
but I said I'd give it some thought, and get back to them if I can find
an economic way to clear it.

So, are there any tips to get rid, or should they 'call a bloke out?'

Thanks
Alan.

Either way it's a very difficult task, cover it with very dark thick plastic
and you may stand a chance


Plastic won't help - knot weed can push through thick tarmac.

I have heard that spraying at regular intervals with glyphosate mixed
at 4x the proper strength will kill it. But that would be illegal so I
can't confirm whether it works......