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Japanese Knotweed - What are my rights?
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How severe is the knotweed. If not much, just pull it out and treat the ground with some good agricultural weed killer every so often it will soon die. If you wan to be extra cautious burn it
I've ordered some Roundup (the industrial strength kind, it says it kills JKW) and the neighbours have agreed to go halves on it.
There's not a huge amount of JKW, but there are some bits coming up through the lawn which worries me as it means its spreading underground...
I've read it's best to chop it near the bottom and pour the weed killer down the stem which is what I plan to do.
I'm going to be contacting my solicitor as well though as I'm not happy.0 -
There is a quite a lot of good info here from the Royal Horticultural Society:
https://www.rhs.org.uk/advice/profile?pid=2180 -
Are you 100% sure it is Japanese Knotweed?0
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An article in The Times on Saturday discussed this:
https://www.thetimes.co.uk/article/how-to-tackle-japanese-knotweed-xdblc53vkI'm a Forum Ambassador on the housing, mortgages & student money saving boards. I volunteer to help get your forum questions answered and keep the forum running smoothly. Forum Ambassadors are not moderators and don't read every post. If you spot an illegal or inappropriate post then please report it to forumteam@moneysavingexpert.com (it's not part of my role to deal with this). Any views are mine and not the official line of MoneySavingExpert.com.0 -
I've ordered some Roundup (the industrial strength kind, it says it kills JKW) and the neighbours have agreed to go halves on it.
There's not a huge amount of JKW, but there are some bits coming up through the lawn which worries me as it means its spreading underground...
I've read it's best to chop it near the bottom and pour the weed killer down the stem which is what I plan to do.
I'm going to be contacting my solicitor as well though as I'm not happy.
Don't do it yet and don't chop it as you then have cuttings to get rid of. It does grow from rhizomes underground which need to be left to grow.
Leave it to get to full growth and apply weedkiller 3-4 times from end July to early September.
Leave over winter, cut back dead stems in February/March and burn. Wait until May next year, look for regrowth and retreat next summer.
If you cut it too early the plant will be affected and start growing additional shoots from the rhizome giving you more of a problem.0 -
This is exactly what I meant by "following approved methods, which take account of its life cycle." Treatment is straightforward, but ask anyone who does any kind of chemical weed control and they'll tell you timing makes a difference.If you cut it too early the plant will be affected and start growing additional shoots from the rhizome giving you more of a problem.
Don't dive in with panic measures; read around the subject first.
Stem injection is best done in the autumn, when the plant will be storing energy by taking the nutrients in its stems back to the rhizomes ....together with any chemical applied then.0 -
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Spider_In_The_Bath wrote: »And you cannot put them in the general garden waste bin either.
It is classed as controlled waste and needs to go to a licensed landfill site.
Or you can burn them.Mr Generous - Landlord for more than 10 years. Generous? - Possibly but sarcastic more likely.0 -
onwards&upwards wrote: »Are you 100% sure it is Japanese Knotweed?
100% it is. It's text book.0 -
Don't do it yet and don't chop it as you then have cuttings to get rid of. It does grow from rhizomes underground which need to be left to grow.
Leave it to get to full growth and apply weedkiller 3-4 times from end July to early September.
Leave over winter, cut back dead stems in February/March and burn. Wait until May next year, look for regrowth and retreat next summer.
If you cut it too early the plant will be affected and start growing additional shoots from the rhizome giving you more of a problem.
Thanks so much for this.
I haven't done anything yet - I'll make sure I follow this.
How do I know when its full growth? I read somewhere 1m tall?0
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