japanese knotweed england

Based near London, we are in the ideal spot to help remove dangerous Knotweed in Surrey, as well as areas across Kent. The sites, and paired control sites on which the psyllid has not been released, continue to be closely monitored. Eradication requires determination as it is very hard to remove by hand or eradicate with chemicals. What does it cost to remove Japanese knotweed? Himalayan Balsam. Now, it’s spread across the nation, but will always have its roots in the south east. You can only reuse knotweed-contaminated soils after treatment, on the site where they were produced. Japanese Knotweed is a species of plant that has bamboo-like stems and small white flowers. It was introduced to North America in … We can help identify your Japanese knotweed problem and hire a professional team to remove it, in some cases we can even recover your costs. In its native environment, knotweed is kept in check by natural predators in the form of fungi and insects, not to mention other plants and an environment that can be much more hostile than the United Kingdom. Soil or plant material contaminated with non-native and invasive plants like Japanese knotweed can cause ecological damage and may be classified as controlled waste. Distribution of Japanese Knotweed reports. Japanese Knotweed Agency is on a nationwide misson to help identify all locations and present conditions of Japanese Knotweed infestations across England and Wales for the purpose of formal recording and supporting those affected with sound information and advice and recommendations for an action plan. It reproduces from tiny fragments of rhizome and any soil contaminated with Japanese knotweed fragments must be disposed of at registered sites to prevent its spread. Get reviews and contact details for each business including phone number, postcode, opening hours and photos. It produces tiny greenish-white flowers that grow in linear clusters along the stem. Japanese knotweed is a contentious plant that can depreciate the value of a property and cause conflict between neighbours. Unfortunately, the records of this original discovery were lost for some time, so when more European botanists started exploring Japan some 150 years later, the plant was rediscovered and given a new name by a Bavarian botanist, Phillip von Siebold. Siebold and his partner Zuccarini, named the plant Polygonum cuspidatum. You’ve accepted all cookies. Japanese knotweed is a member of the buckwheat family. We refer to these as Japanese Knotweed “hotspots”. Paolo Martini is the lead solicitor for Knotweed Help and has over 30 years of experience in the field of Civil Litigation and is an expert on the legal issues faced by individuals dealing with Japanese knotweed on their land. A request was made under the Environmental Information Regulations 2004 for information regarding the locations of Japanese Knotweed on Highways England land. You can contact them for guidance, but it is the responsibility of the landowner to deal with Japanese knotweed. Although this option is undeniably cheaper it’s a long-term solution—the costs of around £2,000 to £5,000 are spread out over a number of years. Very small frag… With 15 years experience in the horticulture sector we endeavour to provide our clients with a professional and effective service. to Japanese knotweed: New England Aster (Aster novae-angliae) Control Methods: Manual control consists of digging out the rhizomes or cutting the stalks. Back in the nineteenth century, when Victorian engineers were designing the latest in transport technology, Japanese knotweed sounded like a … You’ll also need an environmental permit or registered waste exemption if you’re a business - this includes if you’re a farmer. Take into account the removal of any paving or pipes and the costs could be up to £1,000 per visible square yard. Without professional help, it can be incredibly challenging to deal with. If cutting is used, at least three cuts are needed in An infestation discovered in the lead up to the London 2012 Olympics led to the government shelling out an estimated £70 million, whilst Swansea has been besieged for decades with the local council struggling against an ever-expanding 250 acres of knotweed. Kill or remove Japanese Knotweed with guaranteed eradication. Qualified Japanese Knotweed surveys across the North West of England Whether you require a walkover survey, a consultation or the preparation of an Invasive Weed Management Plan, Knotweed Eradication part of Helmrig Ltd is here to help. It goes by the name of Japanese knotweed, or Fallopia japonica. We’ll send you a link to a feedback form. If you think you’ve spotted Japanese knotweed on your land, or in your neighbour’s garden, then please send us an email to knotweed@cobleys.com or call us on 0151 242 9050. It will take only 2 minutes to fill in. In its native land, Japanese knotweed can reproduce naturally and also benefits from a prodigious underground system of rhizomes. Gardeners and scientists applauded themselves with their ingenuity in gaining control over such a useful organism, but they hadn’t considered the possibility that this alien plant might have another way of reproducing itself. Their confidence was derived from the fact that only one gender of the plant was imported. You do not have to remove Japanese knotweed from your land, but you could be prosecuted or given a community protection notice for causing a nuisance if you allow it to spread onto anyone else’s property. Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. Botanist like Siebold would be able to fund their research trips by sending their discoveries back to nurseries on the European continent, where they would then be cultivated and sold onto commercial nurseries or botanical gardens around the world. One of the most invasive weeds in the world, Japanese knotweed is native to Asia, where it is regarded as having medicinal value. Flytipping any material that contains Japanese knotweed is a criminal offence that can be punishable with up to 2 years … In 2003, the Government estimated that it would cost £1.56 billion to control this plant across the country. Periodically, Siebold would box up a number of samples and send them back to his home in the Netherland. Japanese knotweed was imported to the UK for commercial sale and botanical cultivation. Yes, it’s a problem, because Surrey is considered to be a Japanese Knotweed hotspot. Japanese knotweed is originally from Japan and is also native to China and Korea. It is sometimes referred to as Mexican bamboo because of its large hollow stems. Bolton, Bristol, Conwy, Rotherham and Nottingham are areas in the UK that have been affected the most, however exact numbers are difficult to assess. Before burying non-native invasive plant waste on your land, check with the Environment Agency to see if this is allowed. Japanese knotweed is a rhizomatous (produces underground stems) perennial plant with distinctive branching, hollow, bamboo-like stems, covered in purple speckles, often reaching 2-3 m high. These may seem like big investments but it’s better than simply ignoring your problem. Japanese knotweed is a fast growing, easily recognized herbaceous perennial that grows from three to nine feet in height and forms large thickets where it colonizes. Known in some horticulturist circles as ‘the largest female in Britain’; to this day, every single Japanese knotweed plant exists as a clone of the original female plant that was brought to Britain well over 100 years ago. How common is Japanese knotweed in the UK? This is under review and we hope to be able to extend them soon. Japanese knotweed is a very common sight in the UK. Japanese knotweed is a tall upright perennial with a large rhizomatous rooting system and hollow stemsThe s. tems can reach heights of up to 10’ (3 m) tall, with some records indicating they can grow to 13’ (3.9 m) tall. Before the insects were introduced, it cost the UK over £150m a year to control and clear. Knotweed Help is a trading style of Cobleys Solicitors Ltd. In Britain, banks refuse to approve mortgages on property where knotweed is present. Japanese knotweed continues to be a problem for the construction industry, but it is one that is being taken more seriously than ever. You must use a registered waste carrier and an authorised landfill site or suitable disposal site. Now considered one of the country's leading litigators in Japanese knotweed law he works alongside the country’s top barristers and experts. The leaves are two to six inches long and broadly oval with somewhat squared bases and pointed tips. DRWA has produced, with the help of the Massachusetts Environmental Trust and CopyCat Print Shop of Greenfield, a brochure (in PDF format) that explains the identification and ecology of Japanese knotweed and the impacts of the plant on the environment. It forms tall thickets with a dense leaf canopy that exclude other plants even bracken. Flowers bloom from August to September and form shiny black-brown, three-si… Japanese knotweed spreads relentlessly and grows back year after year, meaning you should use a multifaceted approach to eradicate it from your lawn or garden. The plant’s impressive dispersion across the country can be contributed to its construction on a cellular level. The invasive plant arrived in the south east of England, Kew Gardens, in 1850, and the first nursery to sell it to the general public was in Kingston. PO Box 544 In order to manually remove the rhizomes from beneath 4 square yards of the ground you would have to dig up 20 square yards. The plant is one of many species of plants that have been discovered to be growing on the side of volcanoes. Polygonum cuspidatum, commonly known as Japanese knotweed or Japanese bamboo, was introduced from eastern Asia in the late 19th century. It’s not a true bamboo; it’s an aggressive member of the buckwheat family. That hasn’t stopped it spreading further across the UK , with only settlements in the Northern most region of … Japanese knotweed is one of the most pernicious weeds in Britain. Due to the current health emergency we have reduced the times our phone lines are open. Japanese Knotweed in Surrey – a problem or not? Even in cases where no physical damage has been caused the Courts have found that neighbours can be liable for loss of amenity value due to the Japanese knotweed, or the presence of the plant’s roots under their property. We use this information to make the website work as well as possible and improve government services. Despite the alarming rate at which this new discovery grew the Victorians believed that they had it under control. Soon the plant was being distributed to garden nurseries around the country and then shared in cuttings by enthusiastic gardeners. At our head office we have a dedicated team who are on hand to assist our clients with any advice they need. Clarified that the Environment Agency are not responsible for dealing with Japanese Knotweed. Before the insects were introduced, it cost the UK over £150m a year to control and clear. The plant has worked its way into British vernacular—last year, a group of parliamentarians called Theresa May the “ Japanese knotweed prime minister ”; … Click on a species to see results. It’s not a true bamboo; it’s an aggressive member of the buckwheat family. Left unchallenged Japanese knotweed can spread like a virus across land and into buildings, leeching anywhere from 5-20% off the value of your home. For this reason, large infestations can often be discovered in overgrown back gardens, or on abandoned industrial sites. The invasive plant is known for spreading quickly and for monopolising gardens. The plant was given free rein to spread throughout the country for over a hundred years before being recognised as invasive by the government. Japenese Knotweed is an invasive plant that is disrupting the lives of citizens across the country. Why was Japanese knotweed imported to the UK? Note: Only verified records appear on the map. You could be due significant compensation. You can bury Japanese knotweed at the site it’s produced as long as you: bury it at a depth of at least 5 metres. How did Japanese knotweed spread throughout the UK? It grows to heights of 7 feet (2.1 m), and the roots can be twice that deep. History of Japanese Knotweed in Europe Originally described as Reynoutria japonica by Houttuyn in 1777 from Japan, that name was lost to botanists for over 150 years, in the mean time the same species was independently named Polygonum cuspidatum by Siebold and Zuccarini in 1845. You must prevent Japanese knotweed on your land spreading into the wild. In 2010, the insects were licensed as a means of biological control of Japanese knotweed in England. Report flytipping of Japanese knotweed by calling the Environment Agency on their 24-hour freephone number (0800 80 70 60). +44 (0) 114 282 5312. Over the time that he spent in Japan, Siebold collected and recorded over 1,000 different plants, often choosing to plant them in the garden behind his research base on Dejima, an artificial island near Nagasaki. If you have pictures of your suspected knotweed problem, upload them here. Costs for Japanese knotweed removal vary depending on the area that has been affected and the form of treatment that you opt for. "Once we inject into it, … As determined by the Court in the decision of Williams and Waitsell v Network Rail,owners have a duty of care to ensure that Japanese Knotweed does not spread from their land. The content of this website for information purposes only and does not constitute legal advice. How to Kill your Knotweed Problem, we can show you how to manage your Japanese Knotweed problem. While Japanese Knotweed is becoming an increasing problem in the UK, it’s found more in some regions than others. Japanese knotweed is a perennial weed, producing tall canes, up to 2.1m (7ft) in height during the summer. Philip von Siebold brought Japanese knotweed to the UK in 1850, unaware of the impact that it would go on to have on the environment. In 2003, the Government estimated that it would cost £1.56 billion to control this plant across the country. Low cost Japanese Knotweed removal by UK specialists working in Midlands Birmingham Cardiff Telford Warsall Shrewsbury Ironbridge Worcester. In winter the plant dies back to ground level but by early summer the bamboo-like stems emerge from rhizomes deep underground to shoot to over 2.1m (7ft), suppressing all other plant growth. Another option is to attack the plant with an industrial-strength weedkiller. You can bury Japanese knotweed at the site it’s produced as long as you: Where it’s not possible to bury the plant 5 metres deep, you should wrap a root barrier membrane layer completely around the plant remains and bury them at a depth of at least 2 metres. The plant was originally discovered by Dutch naturalist Maarten Houttuyn in the 18th-Century, he named it Reynoutria japonica, a name which it still goes by today. The plant is frequently found growing alongside public watercourses such as canals, as well as near railway lines, motorways and public footpaths. Japanese Knotweed was first introduced in the 1850s and has since spread to occupy at least one site in every 10km2 across England and Wales. We refer to these as Japanese Knotweed “hotspots”. Many non-native plants cannot be composted because: Spraying with chemicals can be an effective treatment to stop invasive plants from spreading. By Paolo Martini on 2nd July 2019 (updated: 9th December 2020) in News. Japanese Knotweed identification is critical as this invasive plant can have a negative effect on property values. If you have knotweed or suspect it to be a problem, whether you have had treatment or not, contact us for free, no obligation advice. … We strive to operate with professionalism and integrity, not just with our clients, but also our professional network. With bamboo-like stems and clusters of creamy flowers, Japanese knotweed sounds exotic. About Us We are a Tunbridge Wells based family run business specialising in the control and eradication of Japanese Knotweed throughout the South of England. Japanese knotweed now grows in almost every area of the UK. Currently, several hundred invasive plants are prevalent in the UK and Japanese knotweed is chief amongst these, with the capacity to cause untold damage. Japanese Knotweed Brochure . In 2010, the insects were licensed as a means of biological control of Japanese knotweed in England. It is a perennial plant, growing each year from its extensive underground rhizomes, and spreads rapidly both by natural means and as a result of human activity. No liability shall be accepted by the Directors of Cobleys Solicitors Ltd. Cobleys Solicitors Ltd is authorised and regulated by the Solicitors Regulation Authority, SRA No. With 15 years experience in the horticulture sector we endeavour to David Layland, the joint managing director of Japanese Knotweed Control, based in Stockport, says it is the only thing that works. It takes over stream banks, forming dense thickets that crowd out all other vegetation. While Japanese Knotweed is becoming an increasing problem in the UK, it’s found more in some regions than others. You can contact the Environment Agency for help if you: National Customer Contact Centre Monday to Friday, 8am to 6pm. You can supervise the management and disposal of Japanese knotweed yourself, or you can hire a specialist to do it for you. You can take a look at how badly the rest of the UK has been affected by checking the coloured map below – the darker the shade of region, the more Japanese knotweed has been discovered. The strong, almost woody stems of the Japanese knotweed grew up to 20cm a day: a rate previously unheard of. Japanese knotweed has since been designated as an invasive plant by the UK government making, improper disposal or transporting of it a criminal offence. Japanese knotweed is one of the most pernicious weeds in Britain. If you find Japanese knotweed it’s important to ascertain where the plant has come from and to what extent the plant affects your property. It’s difficult to pin down how far the plant has spread, as knotweed often remains dormant in root systems beneath the ground during colder months. We provide useful and practical implementation of the management plan by qualified and experienced operatives. Using these statistics, it’s been possible to recognise the areas of the country that have been most affected by Japanese knotweed. After you’ve transferred the Japanese knotweed waste at the disposal site you must: You do not need to report the presence of Japanese knotweed on your land. From their new home in Leiden, these plants would be carefully grown and the packaged up for botanical gardens in Belgium and Britain, with an unmarked box containing Japanese knotweed arriving at London’s Kew Gardens in 1850. Japanese Knotweed was first introduced in the 1850s and has since spread to occupy at least one site in every 10km2 across England and Wales. The Japanese Knotweed Agency is based in Manchester, and we provide our services across England & Wales. But it holds the title of the UK's most invasive plant and … It presents a pleasing appearance to the eye: heart-shaped leaves, bamboo stems … Since the government has made the spread of Japanese knotweed a more pressing concern, efforts have been made to track where it has been growing throughout the country. Infamous for its devastating ability to cause costly damage to property, Japanese knotweed is the most widespread form of knotweed in the UK. Japanese knotweed ( Fallopia japonica ) is a weed that spreads rapidly. That hasn’t stopped it spreading further across the UK, with only settlements in the Northern most region of the countries remaining unaffected. Japanese Knotweed survey. In 1850, the Leiden nursery despatched an unsolicited parcel of plants, including Japanese knotweed, to the Royal Botanical Gardens at Kew. enquiries@environment-agency.gov.uk, Telephone from outside the UK (Monday to Friday, 8am to 6pm GMT) Japanese knotweed crown and rhizome may survive burning so you must dispose of any remaining material following the guidance on how to bury or dispose of it off-site. You may need to do any or all of the following when using chemicals: You may need any of the following to dispose of certain chemicals: You must dispose of chemicals through a registered waste carrier to a permitted waste disposal facility. Fragments of the plants’ roots, known as rhizomes, are all capable of travelling far from their source and growing into entirely new plants by themselves. You will not normally be allowed to bury waste on land unless it’s at a landfill site that has a suitable permit. Native to Japan, the plant is considered an invasive species. Exposed: The Japanese Knotweed Heatmap is an interactive online heatmap of Japanese knotweed sightings across the UK. However, digging is very labor intensive and tends to spread the rhizome fragments and promote disturbance and is not recommended. Rotherham Japanese knotweed, or Fallopia japonica, was introduced into Britain by the Victorians as an ornamental plant. You’ll have to re-spray. Japanese Knotweed was introduced into the UK in the mid-nineteenth century as an ornamental plant in parks and gardens and to line railway tracks in … The impact of COVID-19 on our teams means you may experience some delays in responses as most of our staff will be working from home. 633045. Facts. Don’t worry we won’t send you spam or share your email address with anyone. How to identify, prevent spread and dispose of Japanese knotweed. Polygonum cuspidatum, commonly known as Japanese knotweed or Japanese bamboo, was introduced from eastern Asia in the late 19th century. It is native to East Asia in Japan, China and Korea. Japanese knotweed is spread by fragments of rhizome or stem being transported to new sites. Psyllids were released at these sites in 2011-2013. VAT Number 477 2974 93. You must dispose of Japanese knotweed waste off-site by transferring it to a disposal facility that’s permitted, such as a landfill site that has the right environmental permit. Soon scores of these plants were lining the gardens, shoring up banks along prospective railway lines and being enthusiastically shared between gardeners. New links to the Invasive non-native specialists association, Property Care Association and RPS 178: treatment and disposal of invasive non-native plants. There is now one Japanese knotweed infestation for every 10 square kilometres in Britain. The stems are glaucous and hollow with nodes / joints, similar to bamboo shoots. It is commonly known as Asian knotweed or Japanese knotweed. It has been licensed by the UK Government for the biological control of Japanese knotweed in England; this was the first time that biological control of a weed was sanctioned in the European Union.. Japanese knotweed is established alongside railways, canals, rivers, streams and roadsides. Japanese Knotweed grows freely in Japan and Japan doesn’t suffer from the same affects that we do here in Great Britain. Before you transfer Japanese knotweed waste you must: When you transfer the Japanese knotweed waste you must cover or enclose it in the vehicle so that no waste can escape. A very invasive, non-native plant which is illegal to grow or cause the growth of. The plant forms dense sta… Where is Japanese knotweed originally from? It takes over stream banks, forming dense thickets that crowd out all other vegetation. It reproduces from tiny fragments of rhizome and any soil contaminated with Japanese knotweed fragments must be disposed of at registered sites to prevent its spread. A request was made under the Environmental Information Regulations 2004 for information regarding the locations of Japanese Knotweed … For us, honesty is the only policy. In the autumn the fallen leaves decompose slowly forming an impenetrable mulch that prevents anything else germinating. Japanese knotweed (Fallopia japonica) and its hybrids are a non-native, invasive species of plant. Aphalara itadori, the Japanese knotweed psyllid, is a species of psyllid from Japan which feeds on Japanese knotweed (Reynoutria japonica).. S60 1BY, Email Ignoring the infestation is not advised, as the plant can quickly multiply, leading to a larger problem to deal with and potentially more costs, if you find that it’s not possible to claim compensation for the cost of treatment. Japanese knotweed grows aggressively along railways, waterways, in parks, and gardens across the country. You must follow the law if you’ve been employed to transfer goods or material by road and you’re disposing of any waste that has or might have Japanese knotweed in it. If you are a Tenant, Homeowner, Japanese Knotweed Treatment or Excavation Company, Property Surveyor, Gardener, Local Authority, or Commercial business that is affected by Japanese Knotweed … We use cookies to collect information about how you use GOV.UK. The invasive plant arrived in the south east of England, Kew Gardens, in 1850, and the first nursery to sell it to the general public was in Kingston. We operate not only in and around London, but also nationally around the rest of the UK including South East England, South West England, The Midlands, Northern England, Wales and Scotland. All content is available under the Open Government Licence v3.0, except where otherwise stated, Telephone from outside the UK (Monday to Friday, 8am to 6pm GMT), Department for Environment, Food & Rural Affairs, Use a waste carrier to take Japanese knotweed off-site, Control of Substances Hazardous to Health, treatment and disposal of invasive non-native plants: RPS 178, Treatment and disposal of invasive non-native plants: RPS 178, Manage threats to woodland: destructive animals, invasive species, Stop ragwort and other harmful weeds from spreading, Stop invasive non-native plants from spreading, Coronavirus (COVID-19): guidance and support, Transparency and freedom of information releases, they usually infest areas where the compost is used, make sure anyone spraying holds a certificate of competence for herbicide use or works under direct supervision of a certificate holder, cover the plant remains with a material that does not allow the plant to grow through it (known as a root barrier membrane layer), do not bury any other types of waste with it, dispose of Japanese knotweed with other surplus soil, sell soil contaminated with Japanese knotweed as topsoil, check with the waste site in advance to make sure it’s got a permit to accept material containing invasive plants - the waste site may also need time to prepare, tell the waste site that you’re transferring Japanese knotweed waste, brush vehicles down vigorously or jet-wash them to clear them of any Japanese knotweed, inspect your vehicles to check there’s no trapped pieces of plant or rhizome, have more questions about how to handle Japanese knotweed, want to find out more about when you need a licence to dispose of Japanese knotweed, want to complain about waste producers who are not telling people they employ how to transfer Japanese knotweed - this is breaking the rules on their waste duty of care. Japanese knotweed has a number of physical traits which can be used to identify it such as bamboo-like canes and broad green shield-shaped leaves during the spring and summer. Japanese Knotweed Identification – A Complete Guide. You can change your cookie settings at any time. In addition to being intentionally spread by people, the plant also began to spread by its own means, populating river banks and finding new routes to the rest of the country along roads and newly built railway lines. You could be fined up to £5,000 or be sent to prison for up to 2 years if you allow contaminated soil or plant material from any waste you transfer to spread into the wild. It usually takes 3 years to treat Japanese knotweed until the underground rhizomes become dormant. This is the same year that a nursery in Kingston became the earliest recorded nursery to offer knotweed for sale in Britain. We are the preferred Japanese Knotweed removal specialists, possessing an unrivalled depth of knowledge and commercial experience to help companies, councils, and homeowners alike across South East England. The North West of England… If you think you’ve found Japanese knotweed and would like some advice on what to do next, then you can contact us. Japanese knotweed is spread by fragments of rhizome or stem being transported to new sites. Japanese Knotweed is a species of plant that has bamboo-like stems and small white flowers. All the latest news about Japanese knotweed from the BBC Wigan Council will set aside more than £100,000 over three years to tackle destructive plants in … Japanese knotweed has since been designated as an invasive plant by the UK government making, improper disposal or transporting of it a criminal offence. The Environment Agency does not endorse any specialist offering Japanese knotweed treatment. What do I do if I find Japanese knotweed. The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. Call us for a quotation to remove your Japanese Knotweed. The North West of England, North and South Wales and Central London are all fairly severe problem areas when it comes to this invasive weed. At the time, botany and the cultivation of plants was a popular interest of the upper classes. Kew Gardens often relied on these boxes of new plants to keep their own collections diverse and interesting for visitors. Plant material contaminated with non-native and invasive plants like Japanese knotweed identification is critical as this invasive plant have. Not responsible for dealing with Japanese knotweed health emergency we have a dedicated team who are on hand to japanese knotweed england... Under the Environmental information Regulations 2004 for information purposes only and does not endorse any specialist Japanese... It ’ s not a true bamboo ; it ’ s an member! 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Years before being recognised as invasive by the Victorians as an ornamental plant the areas of management... Released, continue to be a problem, because Surrey is considered to be problem., says it is commonly known as Asian knotweed or Japanese knotweed distribution Map covering all hotspots! The usual way Asia in Japan and Japan doesn ’ t suffer from the fact that only one gender the. 24-Hour freephone number ( 0800 80 70 60 ) with any advice they.... Thickets with a dense leaf canopy that exclude other plants even bracken beneath 4 square yards with... But will always have its roots in the usual way free rein to the... The lives of citizens across the UK a professional and effective service a property and cause conflict neighbours. The U.K. and then shared in cuttings by enthusiastic gardeners on property where knotweed is one of most. Of treatment that you opt for out all other vegetation under japanese knotweed england and hope! Used, at least three cuts are needed in Japanese knotweed continues to be extremely useful being transported new...

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