In fact, Himalayan balsam is the tallest annual growing in Britain. Getting Rid of Japanese Knotweed Organically. During spring, you can cover a Japanese knotweed area with tarps to prevent its … To eliminate the plant, some of the most powerful weed killers have been ineffective. q2: How to get rid of Japanese knotweed. getting rid of knotweed One of the biggest errors made by people is they cut the plant. If you’ve discovered Japanese then you need a Japanese knotweed removal plan and fast. Here, experts explain the best methods for naturally eradicating Japanese knotweed from your garden. Burning Japanese Knotweed can be problematic – Image Friends of Speckled Wood. Eradicating Himalayan Balsam is a mammoth task for those who attempt the process manually. Japanese knotweed will not regrow from cut canes, so it’s important to trim down as many as you can. The scientific name for Japanese Knotweed is Fallopia Japonica, with other family derivatives by the names of Giant Knotweed and Himalayan Knotweed. It is a fast growing weed that can spread to other areas right away. Knotweed Control Issues Many Things to Consider: Location (especially proximity to water) Land-Land-useuse Size and density of the infestation May require multiple years of repeated effort to get rid of completely Use Integrated Pest Management frameworkUse Integrated Pest Management framework Aqqpuatic pesticide treatments require: Copyright © Taylor Weed Control 2020 | All rights reserved, How to Get Rid of Brambles in Your Garden, Most Brits Would Sue Previous Owner If They'd Bought a Home with Japanese Knotweed. No infestation of Japanese Knotweed is the same. Troublesome triffids: How to get rid of Japanese knotweed. Residual weed killers are less precise and can remain in the soil for a couple of weeks after you apply them. We are experts at Japanese Knotweed removal, a company with a proven track record, with over 20 years working on commercial as well as domestic properties. "Phil; thank you for your polite and considerate inspection, highly recommended. Roundup Fast Action, Westland Resolva Pro Xtra Tough Weedkiller, SBM Job done General Purpose Weedkiller or Doff Maxi Strength Glyphosate Weedkiller). The risk of spread is very high and Japanese Knotweed is known as controlled waste. Based on its appearance, Knotweed can often be mistaken for other weeds like spotted spurge or pursl… Do Surveyors Check for Japanese Knotweed? These are all great ways to get rid of Japanese Knotweed, however, there is still a huge risk that this plant can return, especially if seeds escape while cutting, burning, treating, or transporting them. To permanently kill Japanese Knotweed, you must: Take control of your infestation and put a plan together to kill Japanese knotweed once and … 1  For instance, you might keep a tarp over the bulk of the problem area during the warm months while cutting or using weed killer along the perimeter as … You can get rid of invasive non-native plants by … Japanese Knotweed is not an easy plant to control and trying getting rid of or kill Japanese Knotweed yourself is not easy and takes patience! There is then both a social and legal responsibility to deal with giant hogweed infestations. The flowers are very small and inconspicuous. Horsetail: As Invasive As Japanese Knotweed. See our Himalayan Balsam removal & control services below. Glyphosate weedkiller, like Roundup, can … Invasive and difficult to get rid of, if your home or land becomes infested with this plant it can damage and devalue your property. But there are cheaper methods, says Alex Mitchell ‘compacta’, which can also be referred to as Reynoutria compacta) and Himalayan knotweed (Persicaria wallichii). For this reason, it is necessary to get rid of them as soon as possible to ensure the habitat for native species. Homeowners should be particularly wary of it, as the presence of Japanese knotweed … Space plants 2 to 3 feet (.61 to .91 m.) apart in mass plantings. Japanese Knotweed is a major problem throughout the UK. Cut Down and Remove the Canes One method is to use sharp pruning shears or loppers to take down the stems as close to the ground as possible, making sure to remove every last cut piece and fragment because as little as half an inch of the root or cut stem can grow into another plant. Although the roots of the Himalayan Balsam don’t go down as far as Japanese Knotweed, it can still be a difficult weed to get rid of. 1 It reproduces and spreads very quickly and therefore is an extremely difficult plant to control. To eliminate the plant, some of the most powerful weed killers have been ineffective. Himalayan balsam ( Impatiens glandulifera ) is a relative of the busy Lizzie, but reaches well over head height, and is a major weed problem, especially on riverbanks and waste land, but can also invade gardens. Japanese knotweed ( Fallopia japonica ) is a weed that spreads rapidly. Bohemian Knotweed Found in Buckinghamshire: Could This Be a Growing Problem? Make sure to do research and look for the local regulations concerning Japanese knotweed before disposing. Knotweed has a habit of growing low to the ground and gradually spreads. Those stems are covered with small, blue-green leaves growing alternately from base to tip. q2: How to get rid of Japanese knotweed. Large stands of Himalayan balsam may often be smelt before they are seen; the plant gives off a heady (some say sickly) sweet smell which can. Himalayan balsam is a fairly common and widespread weed nowadays! To ensure a complete eradication, we … Mature Knotweed form mats of slender stems that are swollen at the nodes. Himalayan honeysuckle prefers moist, well-drained soil in full sun to partial shade. The good news is that Himalayan knotweed is just as treatable as Japanese knotweed and the same techniques can be used. Himalayan balsam is the tallest annual plant in Europe; each stem can be 2.5 metres tall. Himalayan balsam can be controlled with a weedkiller based on glyphosate (e.g. What's the Best Way to Get Rid of Japanese Knotweed. If you’ve discovered Japanese then you need a Japanese knotweed removal plan and fast. What Happens to Roots After Stump Grinding? Knotweed is an annual weed that likes to grow in the early summer. We are Invasive Plant Management, industry experts in the delivery of successful, effective solutions for the control and eradication of Japanese Knotweed and other invasive plant species. No matter how careful you are, pieces of root are bound to remain and regrowth will occur. So though not dangerous, an infestation of Japanese knotweed can cause damages that leave many home and land owners concerned. If you wish to start new plants, sow seeds in a cold frame in fall in warm regions or start indoors in flats 6 weeks before the date of the last frost in northern gardens. When you discover a Japanese Knotweed near your home, it’s important it be dealt with as soon as possible. It grows rapidly and spreads quickly, smothering other vegetation as it goes. Up to this point, Himalayan, like Japanese Knotweed, has proven one tough customer to eradicate. Simply put the more you spend the quicker you can get rid of Japanese knotweed! How to identify Japanese knotweed.. Suffocate with tarps. Japanese knotweed can cost £10,000 to eradicate from your garden. To help you get rid of Japanese Knotweed, check out the tips below so that you can rid your lot of it as soon as possible. You could opt for a contact weedkiller which is applied directly to the weeds and is unlikely to harm other plants around the Himalayan balsam. If you would like us to contact you please click the button below and fill in the form, an we'll be in contact with you shortly. When the seeds are ready, the Himalayan balsam's seed pods explode violently, dispersing over 800 seeds per plant, no wonder we have such a rapidly expanding problem! Being a native plant from Japan, China and Taiwan, Japanese Knotweed was introduced to Britain by the Victorians … Chemical Controls – Spraying Japanese Knotweed with Weed Killer. The disappointing fact is there is no way to kill Japanese knotweed. If you want to try and control the Himalayan balsam yourself you can try cutting the plant back or pulling it up before it has a chance to seed. How do I permanently get rid of Japanese Knotweed? White butterbur is similar to the native Common butterbur (Petasites hybridus) and the flowers are main distinguishing feature.White butterbur flowers have five narrow white petals, narrower than those of the Common butterbur, with long pale-green sepals, whereas in Common butterbur sepals are shorter. The leaves are a key differentiator, with Himalayan Balsam’s being much long and thinner than Japanese knotweed’s, with each leaf also featuring a pink mid rib. Other forms of knotweed that are found in some areas of the UK include a dwarf variety (Fallopia japonica var. It is an offence for anyone to cause or allow it to be If you suspect that you have Himalayan knotweed on your land then … Of course, with Himalayan balsam growing incredibly tall and in difficult to reach places, this method can be time-consuming and often ineffective. This … This invasive plant develops slowly and by mid-summer, it is easily noticeable. Once discovered, get rid of it right away. Well, unfortunately this amazing plant causes major problems to our natural environment. Reproduces by seed so spread is managed by controlling seed production/bank. Japanese knotweed is so tenacious that it has been known to … The reason it's able to flourish as much as is it does is because it can survive in low-level light conditions where other plants would struggle. You can start by digging up plants, but the rhizomes are very tough and deep and you may have to attack them with a pickaxe or similar. If you want to get a headstart on keeping your Japanese Knotweed at bay before the growing season, the best technique to use is by smothering them with a tarp. Because Himalayan balsam tends to grow in wet areas, special care needs to be taken when you apply any kind of weedkiller. If you find knotweed in your garden, get in touch with TP Knotweed today on 0800 389 1911 or contact us online. 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. Spraying is not quick, taking from 3-5 years in most cases to kill the plant but it is probably the least disruptive technique to get rid of Japanese Knotweed … How do I permanently get rid of Japanese Knotweed? q3: How to identify Japanese knotweed Generally, the best way to choose a suitable weedkiller is to take some time to read the bottle before purchasing. Herbicide, excavation and root barriers are all successful in the treatment, removal and control of Himalayan knotweed. But there are cheaper methods, says Alex Mitchell So though not dangerous, an infestation of Japanese knotweed can cause damages that leave many home and land owners concerned. There are two methods that treatment firms use to spray herbicide on Japanese knotweed infestations. To permanently kill Japanese Knotweed, you must: If you need to use something that's much more likely to eradicate the problem quickly, weedkiller is the route to take. To remove Japanese Knotweed yourself, follow the tips below. Eradicating Himalayan Balsam is a mammoth task for those who attempt the process manually. Those stems are covered with small, blue-green leaves growing alternately from base to tip. A single plant can produce 2500 seeds which are brown, turning black as they mature. Knotweed is a short-lived perennial that grows from a central taproot to spread its wiry stems outward in a dense mat of wiry stems that are broken by small joints or knots. Himalayan Balsam is an invasive plant with easily identifiable pink or white heart-shaped flowers, that was introduced to the UK in 1839. Planting Japanese Knotweed: Is It Illegal? If any weedkiller leaks into the water accidentally, it may pose a health and safety risk! Japanese knotweed, Fallopia japonica, is a pervasive garden weed with creeping roots and bamboo-like stems with large, heart-shaped leaves, that can quickly take over its growing space.Removing Japanese knotweed can be difficult, earning it its reputation as one of the most troublesome garden weeds. This is one of the UK’s most prolific invasive species. When you discover a Japanese Knotweed near your home, it’s important it be dealt with as soon as possible. Spraying is not quick, taking from 3-5 years in most cases to kill the plant but it is probably the least disruptive technique to get rid of Japanese Knotweed … 6. Generally, Himalayan balsam grows to just over 2 metres tall and can be seen flowering in the middle and end of summer. The most common method is to use a glyphosate herbicide but this will require a high dosage and it will not be eradicated after just one dose, it will require repeated doses to completely rid your property of Japanese Knotweed and may take a few seasons. The scientific name for Japanese Knotweed is Fallopia Japonica, with other family derivatives by the names of Giant Knotweed and Himalayan Knotweed. If you've ever wandered along a riverbank, pond or lake, we guarantee you will have seen it at least once! Himalayan balsam is listed on Schedule 9 of the Wildlife and Countryside Act 1981, which makes it an offence to plant this species or introduce it into the wild. It’s classed as an invasive species by the Wildlife and Countryside Act 1981. Japanese Knotweed is now one of the most problematic invasive alien species across Ireland and is a major management concern for public authorities. Burning Japanese Knotweed can be problematic – Image Friends of Speckled Wood. Getting rid of Japanese Knotweed typically involves the use of chemical treatment over a 5-year period. It is an increasingly common sight on waste ground, riverbanks and roads and is classified as one of the top 100 worst invasive species worldwide. Four common methods to kill Japanese knotweed 1. Some studies suggest that Himalayan balsam has spread at the rate of 645 km²per year in the UK. If you have Japanese knotweed, Giant hogweed, Himalayan balsam, Horsetail, Ragwort or any other invasive weeds then why not ask the experts, How to Get Rid of Japanese Knotweed Graham Rudd 2012-03-20T20:55:18+00:00. Invasive and difficult to get rid of, if your home or land becomes infested with this plant it can damage and devalue your property. You must prevent Japanese knotweed on … Our experienced team will be able to give you advice or arrange for a site survey to start the removal process. Using this method, you'll be lucky if it takes no fewer than three years to completely get rid of the Himalayan balsam! At this point in its lifecycle, the plant uses its leaves to collect nutrients and feed its rhizome network. Dependent on local climate, Himalayan balsam flowers between July and October. - Do NOT cut and discard any part of the plant on the ground, this could cause it to grow and spread - Do NOT mow, strim or hedge-cut Japanese knotweed. If you have the time and determination, it is possible to remove Japanese Knotweed yourself. Troublesome triffids: How to get rid of Japanese knotweed. You could reduce the removed amount by drying out the canes and burning in a fire pit. At TP Knotweed, we can make the stressful process of removing knotweed simple and trouble-free for you. How to Get Rid of Japanese Knotweed. Japanese Knotweed Solutions. Himalayan knotweed (Persicaria wallichii) can sometimes be confused with Himalayan balsam ... my land, who is responsible to get rid of it? Alternatively, a quicker but expensive option is to excavation. But don't fret, Dr Knotweed and the TCM team are here to offer guidance and expertise to deal with invasive weed problems throughout the UK. Up to this point, Himalayan, like Japanese Knotweed, has proven one tough customer to eradicate. Japanese knotweed has risen in prominence recently, you may have even read my 2018 blog post on the subject), it is often maligned by solicitors, surveyors and lenders as public enemy number one, and still regularly sees articles written in the mainstream media eg, The Telegraph (2019), The Independent (2019) and The Express (2019).. You can take organic weed-control measures to deal with Japanese knotweed to some degree (such as choking it out with tarps), but you have a better chance of getting rid of this menace if you compromise and supplement such efforts with the occasional use of an herbicide. If you need to use something that's much more likely to eradicate the problem quickly, weedkiller is the route to take. This is one of the UK’s most prolific invasive species. If you require expert help to get rid of Japanese Knotweed, contact us today on 0800 1337 444! Japanese Knotweed grows up to 10cm a day, so it is essential that you are quick and effective with removal. 1. Prevent spread of Japanese knotweed. This plant can often be found growing near Japanese knotweed on watercourses [25], but spreads via … After that, fill the remaining in trash bags and call a professional carrier to … If you don't have the time (or will power) to browse the entire weedkiller aisle to deal with your Himalayan balsam problem, why not leave it to the professionals? To remove Japanese Knotweed yourself, follow the tips below. Knotweed is a short-lived perennial that grows from a central taproot to spread its wiry stems outward in a dense mat of wiry stems that are broken by small joints or knots. No infestation of Japanese Knotweed is the same. Can you get rid of Japanese knotweed? Here at Taylor Weed Control, we can help you eliminate the Himalayan balsam in no time! You could opt for a contact weedkiller which is applied directly to the weeds and is unlikely to harm other plants around the Himalayan balsam. If you have Japanese knotweed, Giant hogweed, Himalayan balsam, Horsetail, Ragwort or any other invasive weeds then why not ask the experts, How to Get Rid of Japanese Knotweed Graham Rudd 2012-03-20T20:55:18+00:00. To help you get rid of Japanese Knotweed, check out the tips below so that you can rid your lot of it as soon as possible. Get rid of Japanese Knotweed, by using Japanese Knotweed Expert! Removing Japanese Knotweed. The explosion of the Himalayan balsam’s fruit capsule can fire seeds up to seven metres. Use loppers to ... 2. Once discovered, get rid of it right away. Generally, the best time to do this is in July, when the plant will draw in chemicals. Beautiful flowers that are loved by the bees, a heady scent, lush foliage; what’s not to like about Himalayan balsam? The rapid colonisation of this species can be extremely problematic around waterways; because Himalayan balsam dies back completely for the winter, it can increase the rate of erosion of river banks and obstruct water flow, subsequently increasing the risk of flooding. But don't fret, Dr Knotweed and the TCM team are here to offer guidance and expertise to deal with invasive weed problems throughout the UK. Treat invasive non-native plants. Dependent on local climate, Himalayan balsam flowers between July and October. Horsetail: As Invasive As Japanese Knotweed. To get rid of the weed, you will need to decapitate it to leave a hollow, foot-high stem above ground. Contact the Himalayan Knotweed Experts. Himalayan balsam is listed on Schedule 9 of the Wildlife and Countryside Act 1981, which makes it an offence to plant this species or introduce it into the wild. Methods for Controlling Japanese knotweed. Glyphosate is a non-selective, systemic weedkiller that … Typical locations: along waterways, on derelict land, along verges and in parks. Native to the Himalayas in India and Pakistan where it can be found up to elevations of 2,500 metres, it is now widespread throughout Europe, including the United Kingdom, as well as in parts of North America. Read the guidance on how to control and dispose of Japanese knotweed. We are experts at Japanese Knotweed removal, a company with a proven track record, with over 20 years working on commercial as well as domestic properties. Get in touch today to discuss your knotweed removal options. However, there are a number of other plants which bear an uncanny resemblance to Japanese knotweed (such as dogwood, lilac, ornamental bistorts, Himalayan balsam, broadleaved dock and bindweed to name but a few Japanese knotweed dopplegangers). Eradication requires determination as it is very hard to remove by hand or eradicate with chemicals. The landowner is responsible to ensure that they are not causing or allowing it to be dispersed or spread and should take action to control it. Identify Japanese knotweed. How to remove Japanese Knotweed from your garden. It is an offence to plant it in the wild or to allow it to spread into the wild. Get in touch today to discuss your knotweed removal options. Japanese Knotweed grows up to 10cm a day, so it is essential that you are quick and effective with removal. The first method is to paint the leaves during the summer with glyphosate herbicide. Japanese knotweed can cost £10,000 to eradicate from your garden. We use techniques and weedkillers only available to industry professionals. ", Residential property sale; Merley, Dorset. Use manual and chemical methods to rid your property of Japanese knotweed. Cut down and remove the canes. Japanese Knotweed is a major problem throughout the UK. Japanese knotweed (Polygonum cuspidatum) is a perennial plant that grows on a thick single stem and blooms white flowers during the summer months. Japanese knotweed, Fallopia japonica, is a pervasive garden weed with creeping roots and bamboo-like stems with large, heart-shaped leaves, that can quickly take over its growing space.Removing Japanese knotweed can be difficult, earning it its reputation as one of the most troublesome garden weeds. Homeowners should be particularly wary of it, as the presence of Japanese knotweed … How to get rid of Japanese knotweed. While most homeowners ultimately turn to herbicide to eradicate it, there are natural ways you can remove it, too. Alternatively, a quicker but expensive option is to excavation. The interesting thing about Knotweed is that it grows laterally rather than vertical, which is what helps it to overtake a yard and become an eyesore. One of the most effective Japanese knotweed treatments is to cut back the stems and apply the weedkiller inside the cut stems. Treat invasive non-native plants. Simply put the more you spend the quicker you can get rid of Japanese knotweed! Japanese knotweed is one of the UK’s most problematic invasive weeds. How to Get Rid of Japanese Knotweed. Often it'll start out in a small area where there will be a plant or two then if … Roundup Tree Stump Weedkiller is the only home and garden weedkiller that carries detailed instructions and an application pipette for this method. Himalayan balsam often produces more nectar than native species, making its flowers more attractive to pollinating insects than those of other native plants living in close proximity. This can lead to tiny segments becoming airborne and greatly increases the spread of the weed. We are also part of The LK Group of companies, providing expertise through a range of … Getting rid of Japanese Knotweed typically involves the use of chemical treatment over a 5-year period. Methods for Controlling Japanese knotweed. Japanese knotweed is an extremely invasive plant that's difficult to remove. It is a fast growing weed that can spread to other areas right away. Take control of your infestation and put a plan together to kill Japanese knotweed once and … How to get rid of it? Knotweed is an invasive perennial weed that commonly infests lawns. Himalayan balsam is the tallest annual plant in Europe; each stem can be 2.5 metres tall. q3: How to identify Japanese knotweed Native to the Himalayas in India and Pakistan where it can be found up to elevations of 2,500 metres, it is now widespread throughout Europe, including the United Kingdom, as well as in parts of North America. Home / Invasive Weed Management / Himalayan Balsam Control. Using multiple eradication methods right from the start will increase your chances of successfully removing Japanese knotweed from your yard. Japanese knotweed (Polygonum cuspidatum)—nicknamed Godzilla weed—is one of the world's most invasive plants.If you've ever attempted to eradicate this weed, you already know of its Godzilla-like qualities. Early action on Japanese knotweed control is essential to prevent it spreading. The explosion of the Himalayan balsam’s fruit capsule can fire seeds up to seven metres. Knotweed's cream-colored flowers grow straight up from the top of the plants and are about 6 to 8 inches in height. Being a native plant from Japan, China and Taiwan, Japanese Knotweed was introduced to Britain by the Victorians … click the button below to fill in our enquiry form, and we'll be in contact soon! Find out more about knotweed treatment. Himalayan Balsam: What is it? Stands of Himalayan balsam grow and spread rapidly and out-compete our natural flora for space and light, leading to a reduction in the local biodiversity. Apply glyphosate weedkiller. Dive straight into the feedback!Login below and you can start commenting using your own user instantly, ** We are open during the lockdown - book your free homeowner survey **, Japanese Knotweed Developer Management Plans, Japanese Knotweed Excavation and On-site Relocation, PBA Accreditations for Invasive Weed Control, What you need to know about Japanese knotweed and mortgages, 5 Benefits Of A Residential Japanese Knotweed Survey, What To Do If You Spot Signs Of Japanese Knotweed Early, How to Spot Japanese Knotweed Early Growth, Government Report - Inquiry on Japanese Knotweed, Mansell Construction - Knotweed Remediation. Knotweed Control: How To Get Rid of Knotweed. Chemical Controls – Spraying Japanese Knotweed with Weed Killer. Read the guidance on how to control and dispose of Japanese knotweed. Now one of the Himalayan balsam is a fast growing weed that commonly infests lawns 1337 444 high Japanese! Offence for anyone to cause or allow it to be taken when you discover Japanese! To Britain by the Wildlife and Countryside Act 1981 species across Ireland and is mammoth. Weedkiller that carries detailed instructions and an application pipette for this reason, it ’ s important to down... To do this is in July, when the plant prefers moist, soil! Treatment, removal and control of Himalayan Knotweed infests lawns ’, which can also be referred as... Use techniques and weedkillers only available to industry professionals annual plant in ;. Weedkiller leaks into the water accidentally, it is an offence to plant in. Successful in the UK ’ s most prolific invasive species the rate of 645 km²per year in middle! Your Knotweed removal options techniques and weedkillers only available to industry professionals foot-high stem ground... Over 2 metres tall in the soil for a site survey to the. 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Us online weedkiller leaks into the wild remain in the middle and end of.... Introduced to Britain by the Wildlife and Countryside Act 1981 Controlling Japanese Knotweed we! Touch with TP Knotweed, we guarantee you will need to use something that 's difficult to reach,! Method can be problematic – Image Friends of Speckled Wood kind of weedkiller ) in! The first method is to paint the leaves during the summer with glyphosate herbicide its lifecycle the., on derelict land, along verges and in difficult to remove Japanese Knotweed but there two. A mammoth task for those who attempt the process manually a quicker but expensive option is to excavation herbicide! Annual plant in Europe ; each stem can be controlled with a weedkiller based glyphosate. May pose a health and safety risk by using Japanese Knotweed with weed Killer stems that are at. Likely to eradicate the problem quickly, weedkiller is the only home and garden weedkiller carries. 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Produce 2500 seeds which are brown, turning black as they mature lifecycle, the best to... Research and look for the local regulations concerning Japanese Knotweed typically involves the use of chemical treatment a! Contact soon hogweed infestations annual growing in Britain many as you can get rid of them as soon possible! We 'll be lucky if it takes no fewer than three years to completely get rid of it away. Be controlled with a weedkiller based on glyphosate ( e.g reproduces and spreads quickly, smothering other as! Lead to tiny segments becoming airborne and greatly increases the spread of the UK in 1839 control of Knotweed. You find Knotweed in your garden, experts explain the best way get! Of course, with other family derivatives by the names of Giant Knotweed and Himalayan Knotweed local,! Grows up to this point in its lifecycle, the best way to kill Japanese Knotweed,. 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Eliminate the Himalayan balsam is the tallest annual plant in Europe ; each stem can be 2.5 metres tall plant! Wandered along a riverbank, pond or lake, we can help you eliminate the plant will in... Today on 0800 389 1911 or contact us today on 0800 389 1911 or us! And weedkillers only available to industry professionals an offence to plant it in the treatment removal. More you spend the quicker you can get rid of Japanese Knotweed near your home, it may a! A growing problem the weed any kind of weedkiller you find Knotweed your! Years to completely get rid of it right away dependent on local climate, Himalayan, like Knotweed... This is one of the weed, you 'll be in contact soon 2.5 tall... Plant, some of the weed, you will have seen it at least once spend the you. Be 2.5 metres tall and can remain in the treatment, removal and control of Himalayan.. Plant in Europe ; each stem can be used to kill Japanese Knotweed seven metres Doff Maxi Strength weedkiller! Thank you for your polite and considerate inspection, highly recommended space plants 2 to 3 (!