Can You Eradicate Japanese Knotweed in Winter?
Protecting your home and its value, as well as getting ready for spring growing are all reasons you may want to tackle Japanese
Japanese Knotweed News
Find out all the latest news about Japanese knotweed treatment and removal with our regular blog.
January 2019
December 2018
Reflections and Resolutions
As the year draws to a close, we look back at an exciting twelve months for Environet, which saw us help more customers than ever be
Government Inquiry to review impact of Japanese knotweed
Concern about the menace posed by Japanese knotweed has prompted the Science and Technology Committee to call an inquiry into the im
Nic’s book promotions pick up pace!
It’s been a whirlwind November of book promotions for our MD Nic Seal, following the publication of his definitive guide to knotweed
November 2018
Plants Often Mistaken for Japanese Knotweed
Japanese knotweed is a peculiar plant, It can be hard to figure out if you actually have this highly invasive species growing in you
October 2018
Guildford Book Festival talk, “Unearthing the Truth on Japanese knotweed” is sell-out success!
It was standing room only for Environet MD Nic Seal’s recent talk at the Guildford Book Festival at Hatchlands Park.
Can Japanese Knotweed Grow Through Concrete?
There are many myths surrounding Japanese knotweed — but can it really grow through concrete?
£20 billion wiped off house prices by Japanese knotweed
The blight of Japanese knotweed has wiped £20 billion off the current value of the UK property market, Environet revealed in new res
Environet MD Nic Seal to speak at Guildford Book Festival
Our very own founder and MD, Nic Seal will be a guest speaker at the Guildford Book Festival on 14th October.
September 2018
Fed Up with Japanese Knotweed Mortgage Problems?
Who would have thought a weed could derail your property plans?
August 2018
What to Look for in Good Japanese Knotweed Removal Companies
Developers and commercial property owners can easily become alarmed when they first spot Japanese knotweed creeping onto their s
Environet's Nic Seal unearth's the truth about Japanese knotweed on BBC Radio
BBC Radio Kent interview Nic Seal about new book "Japanese Knotweed - Unearthing the Truth"
July 2018
Does Japanese knotweed cause property damage?
Environet's Managing Director, Nic Seal, comments on the latest study conducted by AECOM and the University of Leeds.
Environet annual Japanese Knotweed Survey
Fewer than one fifth of people in Britain can identify Japanese knotweed
Network Rail opens the floodgates to Japanese knotweed claims
Leading Japanese knotweed removal firm Environet comments on the verdict of Network Rail’s appeal in the Waistell vs Netwo
Tips for Japanese Knotweed Removal in Birmingham
Dos and don'ts for Japanese knotweed removal in Birmingham.
June 2018
What to do if your surveyor fails to spot Japanese knotweed
What happens if a surveyor misses Japanese knotweed growing on a property you wish to buy?
Cornwall residents come out in force for Japanese knotweed Pop-up
Our Japanese knotweed Pop-up event at the prestigious Duchy of Cornwall Nursery in Lostwithiel was a great success.
How to Get Rid of Japanese Knotweed
It pays to know how to get rid of Japanese knotweed the right way. Find out how in this post.
May 2018
Environet holds Free Japanese knotweed pop-up consultations at Duchy of Cornwall Nursery in Lostwithiel, Cornwall
10.30 – 15.00 on Saturday 2nd June 2018 at Duchy of Cornwall Nursery, Cott Road, Lostwithiel, PL22 0HW
Japanese knotweed makes its RHS Chelsea Flower Show debut!
To be displayed from 22nd - 26th May 2018, within the Discovery Zone at the PCS's 'Enemy Within' garden..
We’re officially members of the Property Care Association
We’re delighted to announce that we are now a fully-fledged member of the industry trade body the Property Care Associatio
Can You Insure Against Japanese Knotweed?
Is it possible to insure against Japanese knotweed so that it doesn't cause more headaches?
April 2018
BBC News 25th April 2018 - Knotweed "cannot be eradicated", Swansea University trial shows
Environet's official response to the BBC's controversial headline and article - by Nicolas Seal, Environet
A masterclass in good neighbourly relations
Purchasing a dream home with Japanese knotweed as well as an ongoing neighbourly dispute over encroachment...
Preparing Your Home for a Spring Sale
With Easter behind us, now is the time when sellers come out of their winter hibernation and put their homes up for sale........
Japanese Knotweed Mortgage Issues: What You Need to Know
Japanese knotweed mortgage problems can mean you don't get the place of your dreams, so it’s time to take real action.
March 2018
Don’t be fooled, the cold snap has delayed the start of the growing season
What to expect after the coldest February in five years
International Women’s Day
Celebrating International Women's Day with an interview with our very own Emily Grant
February 2018
Who is Philipp von Siebold?
Well, his birthday was in February (1796) and he was a famous Bavarian physician, botanist and traveller...
Confused about Japanese knotweed treatment options? We’re here to help
If you discover Japanese knotweed on your property, pick up the phone, not a spade, weed-killer or can of petrol.
DuPont and Environet Announce Successful Field Trials of New Product in the Fight Against Knotweed
Results from field trials conducted at test site in West Sussex.
January 2018
What's the Best Japanese Knotweed Disposal Solution?
It's against the law to carry out Japanese knotweed disposal improperly.
How Japanese Knotweed Can Ruin Your Property Dreams
However, destructive Japanese knotweed on your property need knot be a problem.
December 2017
Merry Christmas to all our customers – past, present and future!
It’s that time of year again when we look back and reflect over the past twelve months.
Killing Japanese Knotweed with Bleach: Can It Really Be Done?
Why killing Japanese knotweed with bleach, or trying to, is not the right solution.
November 2017
Japanese Knotweed Control: How to Tame the Invasive Beast
Finding a fast-growing plant on a property that resists killing-off attempts is worrying, but there are effective Japanese knotw
September 2017
Knot on Your Life! Japanese Knotweed Turning Property Buyers Away
Property buyers say a resounding NO to homes infested with Japanese knotweed.
Japanese knotweed Research Survey carried out by YouGov.
Summary and comment by Nicolas Seal – Environet UK Ltd
Nic Seal to speak at the Land Remediation Expo at ExCeL, London on 27 September.
Come and meet the team on Stand C2132.
August 2017
Thank you for your generosity – Environet JustGiving target beaten!
And to carry on the good work we have increased the figure for this year!
The Sunday Times, Home Experts feature includes advice from Nic Seal, Environet Managing Director.
August sees Environet's exposure in the national media continue!
July 2017
Commercial media features YouGov/Environet research.
July has seen Environet featured in various commercial sector media.
Environet’s regional media coverage in July.
July has been the best month ever for Environet’s coverage in the media.
Nic Seal, Environet Managing Director, interviewed on BBC Sussex Breakfast Radio Show.
A great end to a week of coverage across the national and regional BBC!
Environet feature on BBC Breakfast 27 July 2017.
July is a great month for Environet on the BBC!
Environet feature on BBC South East Today lunchtime and evening news.
July continues to be a great month for media exposure!
Environet featured in The Times and other media.
So far this month Environet has been featured in more media than ever!
June 2017
Japanese Knotweed – A brief history in time.
So you may have, or may have just discovered, Japanese knotweed on your property.
40 things you need to know about Japanese knotweed - Part one.
So you’ve discovered Japanese knotweed on your property and want to know what to do next - So you probably went to Google.
May 2017
Environet – 21 years old TODAY!
Today Environet reaches yet another milestone. Today we turn 21!
What you need to know about civil law and Japanese knotweed
Japanese knotweed civil law suits are becoming ever more common.
April 2017
How to choose a suitable specialist to remove Japanese knotweed from development sites and residential gardens
There are a lot of companies claiming to be specialists.
Environet UK featured in the Media
Take a look at some of our recent press mentions.
Building and Engineer: It’s Knot a problem
Building Engineer: Beware of Japanese knotweed on Construction sites
Environet are featured in the latest issue of Building Engineer, published in April 2017.
March 2017
Japanese knotweed and mortgages - what you need to know about buying a property with knotweed
Japanese knotweed, the UK’s the most destructive and invasive weed is spreading throughout the UK at an alarming rate.
Japanese knotweed springs into action - red shoots spotted across the UK
It is that time of year again; new Japanese knotweed shoots have been spotted across the UK.
Japanese knotweed on a development site
Japanese knotweed can make a site economically unviable to develop.
February 2017
Landmark ruling on Japanese knotweed encroachment case
Robin Waistell v Network Rail Infrastructure Limited
Consultancy services to improve knowledge and awareness of Japanese knotweed
The team at Environet are well placed in the market to offer expert advice when dealing with Japanese knotweed.
January 2017
Support our chosen charities with Japanese knotweed identification
Japanese knotweed is the UK’s most aggressive and invasive plant, however it can be tricky to identify.
December 2016
Environet's Reflection on 2016
Another year has passed, making it over 20 years that we've now been in business.
Your Build: Japanese knotweed - a guide for the self-builder
Environet are featured in the latest issue of Your Build, published in December 2016.
Building Engineer: Japanese knotweed - winter treatment
Environet are featured in the latest issue of Building Engineer, published in December 2016.
Brownfield Briefing: Tangled up in knotweed
Environet are featured in the latest issue of Brownfield Briefing, published in November 2016.
November 2016
Identifying Japanese knotweed correctly
Japanese knotweed can be tricky to identify, even if you do know what to look for.
Eco Building News: Xtract™ - the eco-friendly way to remove Japanese knotweed
Japanese knotweed is featured in the October/November edition of Eco-Building News.
The Week Briefing: The Thug of Japan
Japanese knotweed is featured in The Week magazine, published on 5th November 2016.
October 2016
“Helloweed” - trick or treat time for Japanese knotweed
Trick or treat - don't be fooled, Japanese knotweed is still alive.
The UK Construction Week is just a few days away
Have you booked your tickets yet?
The Business Magazine: ‘Environet warns about Japanese knotweed’
Published on 11th October 2016 on The Business Magazine website.
Eagle Radio ‘Japanese knotweed could cost you thousands’ features Environet
Featured on 2nd October 2016 on Eagle Radio.
September 2016
The Telegraph 'Knotweed: The unstoppable scourge of British gardens'
Published on 17th September 2016 in The Telegraph Magazine.
Environet in the Media
With over 20 years’ experience in removing Japanese knotweed, we are regularly featured in the press.
Japanese knotweed specialists Environet will be exhibiting at the Build Show, part of UK Construction Week, this October
We will be exhibiting at the Build Show, part of UK Construction Week, at the NEC Birmingham from 18th-20th October.
August 2016
Japanese knotweed and construction sites – herbicide treatment or physical removal?
It’s a question we’re often asked, and there is a very clear answer.
July 2016
5 key facts Estate Agents should know about Japanese knotweed
Finding Japanese knotweed on a property can halt a house sale.
Top 6 Questions and Answers on how to deal with the problem of Japanese knotweed
You’ve discovered knotweed on your property and want to know what to do next.
June 2016
Non-disclosure of Japanese knotweed leads to massive increase in misrepresentation claims
A new warning has been issued to buyers of property about the ever increasing spread of Japanese knotweed.
Plants commonly mistaken for Japanese knotweed
Japanese knotweed can halt mortgage applications, so it’s important it’s identified correctly.
Eco-Innovation Awards Scheme report by winner in First News
Published on 3rd June 2016 in First News, the only weekly newspaper for young people.
May 2016
Japanese knotweed - one plant you hopefully won’t see at the Chelsea Flower Show
The RHS Chelsea Flower Show opens today until 28th May.
Environet welcomes a new team member to help tackle Japanese knotweed in London
Stephanie Clark joins the Environet team as a Consultant for the London area.
Schools Eco-Innovation Awards featured in London Weekly News Article 'Join in our great green giveaway'
Schools Eco-Innovation Scheme mentioned in the London Weekly News, 3rd May 2016.
Japanese knotweed legal concerns
There are various Japanese knotweed legal concerns that need to be taken into account.
April 2016
Surrey Advertiser, Guildford Edition - Knotty Problem
Published on Friday 22nd April 2016 in the Surrey Advertiser, Guildford Edition.
Does Japanese knotweed have any redeeming qualities?
Japanese knotweed (Fallopia Japonica), has earned itself a negative reputation in the UK.
Coventry Observer - Invader knotweed menace may return
Published on Thursday 7th April 2016 in the Coventry Observer.
South Wales Evening Post - Knotweed warning as plant reappears
Published on Thursday 7th April 2016 in the South Wales Evening Post.
London Evening Standard article 6th April 2016 “Japanese knotweed will plague the capital after record warm winter”
An article on Japanese knotweed was published in the Evening Standard, on the 6th April.
House prices affected by Japanese knotweed
“House value halved due to presence of Japanese knotweed”.
March 2016
Japanese knotweed - it’s awake again and in a property near you
There are reports from various parts of Britain of knotweed shooting early this year.
Patent granted in Canada for Xtract™ for removing Japanese knotweed
We are pleased to announce that our patent application in Canada has been granted.
February 2016
Tackling the nation’s Japanese knotweed!
Japanese knotweed was first introduced in the UK as an ornamental plant.
January 2016
Buying property in late winter and early spring
It is a well-known fact that spring is one of the best times of year to sell a property.
Professional Advisors - What you need to know about Japanese knotweed
As part of our service, we offer guidance for Professional Advisors.
Japanese knotweed removal techniques
Japanese knotweed can be controlled or removed in several ways.
If your New Year’s resolution is to remove Japanese knotweed yourself, then think again
January is traditionally the time of year when New Year’s resolutions are made.
December 2015
Environet review of 2015
As 2015 draws to a close, now is a good time to review our achievements over the last 12 months.
Environet looks forward to 2016
Last Thursday the Environet team met at a hotel in the middle of the picturesque Cotswolds.
November 2015
Environet features in the ITN Production 'Building Tomorrow' launched at the CIOB conference
Nic Seal and Mark Thompson attended the Chartered Institute of Building (CIOB) conference earlier this week.
Environet launches new logo and prepares for next team meeting to celebrate 2015 achievements
As the year draws to a close, plans are made for what lies ahead.
Environet will be exhibiting at the CIOB’s leading industry event – International Inspiring Construction
On Tuesday 24th November at the QEII Conference Centre in Westminster, Environet will be exhibiting on Stand 10.
Japanese knotweed growing season ends as winter approaches
It is that time of year again when Japanese knotweed is dying away ready to spread its damage again in the spring.
October 2015
Environet launches 'Schools Eco-Innovation Awards Scheme'
We are delighted to launch the new Environet ' Schools Eco-Innovation Awards' Scheme, supported by Kevin McCloud, MBE.
September 2015
Environet will be exhibiting at UK Construction Week in October
Environet will be exhibiting on Stand B3/336 at UK Construction Week, NEC Birmingham from 6-8 October.
Environet holds seminar on Wednesday 21st October in Cardiff
Environet will be speaking in conjunction with Acuity Real Estate and Waite & Co.
Environet launches third enhanced version of its Xtract™ machine for rapid removal of Japanese knotweed
Environet has enhanced their patented Xtract™ machine.
July 2015
Japanese knotweed damages historic property in the West Country
One hears lots of horror stories about Japanese knotweed damaging property.
June 2015
Insurance Market to Cover Japanese Knotweed
It's taken many years for the insurance market to wake up to the problem of Japanese knotweed.
May 2015
Land Remediation Tax Relief and Japanese knotweed
Costs may be able to be reclaimed on remediated land.
April 2015
Nic Seal speaks at Grand Designs Live about Japanese knotweed
Environet will be speaking at Grand Designs Live.
March 2015
Japanese knotweed - The Dreadful Buds of March
Japanese knotweed is back!
New EU Legislation on Invasive Alien Species like Japanese knotweed
We recently attended a conference regarding new EU Legislation.
February 2015
Infrastructure Act 2015 - Legislation reinforces need to tackle Japanese knotweed
The Infrastructure Act 2015 was received Royal Assent on 12 February 2015.
Educating the nation - Japanese knotweed
Educating the nation on the truth about Japanese knotweed.
Japanese knotweed - removal from inaccessible gardens
You might think the bigger the Japanese knotweed infestation the bigger the problem.
Japanese knotweed removal in 2015
Looking ahead – Japanese knotweed solutions: January has just flown by, our busiest ever.
January 2015
Japanese knotweed - Environet Review 2014
So what did we achieve in the battle against Japanese knotweed in 2014?
December 2014
Seminars on knotweed
I am Mr Knotweed Seminar, (though I'm not the only one).
November 2014
Jeremy Vine - Radio 2
The Jeremy Vine Show (Radio 2) ran a feature on Japanese knotweed on Thursday 20th November
Japanese knotweed for Breakfast
I'm not advocating you eat Japanese knotweed for breakfast!
October 2014
Are ASBOs the right tool to fight Japanese knotweed?
The Home Office has issued guidance in relation to Japanese knotweed.
Does Japanese knotweed cause diminution to the value of residential property?
A recent story in the media talked about a property in South Wales.
Winter’s on its way – does the knotweed go away?
Sadly not, it just ‘plays dead’ above ground.
September 2014
"Rip Off Britain" & Japanese knotweed
The BBC consumer programme 'Rip Off Britain' broadcasted a story on Japanese knotweed
Japanese knotweed and Carbon Emissions
The other day I was asked whether Japanese knotweed causes global warming.
August 2014
Return of the Undead - Japanese Knotweed Regrowth
We are constantly being called for Japanese knotweed eradication.
Notification and Disclosure of Japanese knotweed
Contrary to popular belief Japanese knotweed is not a notifiable weed.
July 2014
The Plant that Ate Britain
Journalist Matt Rudd produced an excellent article on Japanese knotweed.
Japanese knotweed encroachment and neighbours
Japanese knotweed can create problems with those perfectly nice people next door.
June 2014
Does Japanese knotweed really damage property?
“Does Japanese knotweed really cause damage to property, after all it’s only a weed.”
Environet moves to new HQ
On 29th May 2014 we’ve finally moved to our new 6,500 sq ft premises, located between Guildford and Woking.
Environet Celebrates 18 Years in Business
Environet was incorporated on 28th May 1996. That makes it our 18th birthday. Is that something to celebrate?
May 2014
New Japanese knotweed identification video
The awareness of Japanese knotweed seems to be growing as fast as the dreaded plant seems to spread.
Epic new Japanese knotweed film – now out on general release!
Environet, who lead the fight against Japanese knotweed removal, have released a video.
April 2014
Knotweed returns and creates anxiety
WANTED – Across most counties and several newspapers –“Japanese knotweed”
March 2014
Knotweed insurance backed guarantees
Knotweed insurance backed guarantees (IBG) are required by most lenders in order to lend on property affected by Japanese knotweed.
May 2013
Japanese Knotweed Honey and Other Uses
Japanese Knotweed for much of the time attracts bad media and scare tactics. But is the plant that bad?
April 2013
Bugs - the best armoury against Knotweed
After years of research, the tiny sap sucking insect Aphalara itadori is about to be released into the environment.
Japanese knotweed news:
Can You Eradicate Japanese Knotweed in Winter?
Protecting your home and its value, as well as getting ready for spring growing are all reasons you may want to tackle Japanese knotweed removal in winter.
Reflections and Resolutions
As the year draws to a close, we look back at an exciting twelve months for Environet, which saw us help more customers than ever before in the fight against Japanese knotweed.
It’s been a difficult year for the sector, with more confusing and conflicting information entering the public domain than ever before. We’ve made it our mission, as market leader, to be the voice of truth about knotweed, fighting the flow of misinformation with simple facts.
Government Inquiry to review impact of Japanese knotweed
Concern about the menace posed by Japanese knotweed has prompted the Science and Technology Committee to call an inquiry into the impact of the plant on the built environment. Experts, including our own founder and MD Nic Seal, will be submitting evidence in the next few weeks, along with members of the public who have been affected by the plant.