Some of the links (less than 10%) on this website are affiliate links for which we may earn a commission. If you have any doubts at all about how to identify Japanese knotweed, make sure you get a proper survey done on a property before putting in an offer. Japanese knotweed can cause a great deal of damage to properties. Woody shrubs and trees such as lilac and dogweed can also sometimes be mistaken for Japanese knotweed. The leaves of Bindweed also alternate along the stem and, much like knotweed, when it appears in spring, Bindweed can cover a large area very quickly. When trying to identify Japanese Knotweed in summer, look out for the following: Plants that are a height of approx 2-3 metres Japanese knotweed shoots look a bit like bamboo stems but there the visual similarity ends. The information provided throughout this website is not and cannot ever be intended either as financial investment advice or legal advice or otherwise. There are so many ways to cook Japanese knotweed, and I’ve included a selection of recipes below. As with all members of this family, the base of the stem above each joint is surrounded by a membranous sheath. Giant knotweed is also considered invasive in Connecticut. If you have a suspicious looking plant growing on or near your property and want to know whether it is knotweed you can upload your photos to us directly and we will let you know whether you have knotweed or not. This plant can actually look remarkably similar to Japanese knotweed but it has one major tell-tale difference: it is about a tenth of the size. Have you seen a suspicious plant and want to know if it is the dreaded Japanese knotweed? There are three species of non-native knotweed that are similar in appearance. Japanese knotweed will first show itself in spring when small shoots will appear that look similar to asparagus but are red or purple. Japanese Knotweed is also an excellent source of resveratrol, the same substance in the skin of grapes and in red wine that reduces bad cholesterol and lowers the risk of heart attacks. The plant will need to be completely eradicated in order to avoid causing any further problems. But what exactly is it and how do you go about Japanese knotweed identification? If you are still unsure whether or not Japanese knotweed poses a threat to your property and you want to speak to an expert, simply contact us online, find your local branch or call Freephone 0808 231 9218 and speak to one of our qualified and experienced Japanese knotweed experts. This is largely due to the shape of the leaves being similar to knotweeds distinctive spade/heart shape. How you can tell the difference between Bindweed and Knotweed Don’t forget, we can help you find and compare chartered surveyors to assess potential Japanese knotweed issues. Contact Wise Knotweed Solutions. Japanese knotweed is a member of the buckwheat family. Copyright Cubed Media Ltd t/a Property Road. See the images below for easy identification of the Japanese knotweed leaf. The root system can grow up to 3 metres deep and 7 metres sideways meaning the plant doesn’t have to be right up against a property to cause damage. In addition, red bistort, lesser knotweed, Himalayan balsam, broadleaved dock, bindweed, Himalayan honeysuckle, and Russian vine can also be mistaken for knotweed if you are not familiar with how to identify Japanese knotweed. instructions how to enable JavaScript in your web browser. Read more . Though the leaves are much smaller and numerous than Japanese Knotweed, from afar these two plants could easily be confused. Leeds County, Ottawa-Carleton) and in the Niagara Region. Japanese knotweed leaves are shovel shaped (some people think they look heart shaped) with a point at the tip and staggered on the stem (one stem per node), creating a zig-zag stem growth pattern. However, the plants such as Himalayan balsam, Giant hogweed and buddleia (all of which are often confused for Japanese knotweed) require the attention of invasive weed experts. Because it’s such a serious issue, we don’t advise trying to tackle Japanese knotweed removal yourself, far better to bring in the experts to ensure it’s dealt with properly at the first time of asking. The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. Simply click the button below to upload your photos and we will get back to you with an answer. Like many woody shrubs and trees Dogwood and Lilac are plants that look like Japanese Knotweed as the leaves are very similar. Unsure if you have knotweed? Look-alikes: the lovely native Virginia knotweed (Tovara virginiana), and two exotic invasive relatives - prince’s feather (Polygonum orientale) and giant knotweed (Polygonum sachalinense). Property prices can go up as well as down. That’s why Japanese knotweed is so bad for homeowners, if left untreated, it could literally break away the foundations of your home! This does not affect our rating of the product or service nor the price you pay. Houttunyia is another plant commonly mistaken as Japanese knotweed. We have collated a list of plants below that are often mistaken Japanese knotweed. Japanese knotweed has come a long way since Philipp Franz von Siebold, the doctor-in-residence for the Dutch at Nagasaki, brought it to the Utrecht plant fair in the Netherlands in the 1840s. All Rights Reserved. Identifying Japanese Knotweed . Non-native knotweeds: Japanese, Bohemian, and Giant knotweed (Polygonum cuspidatum, P. x bohemicum, and P. sachalinese) Knotweeds were introduced as ornamental plants and for erosion control. Japanese knotweed will first show itself in spring when small shoots will appear that look similar to asparagus but are red or purple. In fact, it’s reported that it cost £70m to eradicate knotweed from 10 acres of the London 2012 Olympic Games velodrome and aquatic centre! Like Bindweed, Russian vine is another plant that needs to twist itself around something solid, like another plant or a man-made structure like pipes. If you live near a wooded area, it is likely that you will have seen these three plants, and they are often mistaken for Japanese knotweed. Company registration number: SC1681538 Muriel Street, Barrhead, Glasgow G78 1QB. As the leaves grow on alternate sides along the branches, you’ll notice a distinct ‘zig-zag’ growth of the branch. It also provides vitamin C, phosphorus, zinc, potassium and manganese. It is the same genus and can even pollinate the female Japanese knotweed (though this rarely results in a viable hybrid). It has also been used as an erosion control plant. Japanese knotweed will never entwine another plant; it simply grows over the top of them. By using our website you consent to us using cookies. Six lookalikes you want to avoid. On the other hand, it is also similar to Bindweed in that it relies on other plants to grow upward, twisting and climbing around the stems of taller, more solid vegetation. How To Get ANY Property Below Asking Price. are commonly confused with the native look-alike, pokeweed (Phytolacca americana). Bohemian knotweed (Polygonum x bohemicum) • Invasive perennial, hybrid between giant and Japanese knotweed • No known populations in NJ • Leaves oval to heart-shaped Since then, the plant has been somewhat unstoppable and is now found across the UK. By the mid-1890s, it was reported near Philadelphia, PA, Schenectady, NY, and in New Jersey. The way Red Bistorts knotty hollow stems clump together in thickets and the way it produces small flowers in the summer has led to a lot of worried neighbours twitching their curtains, assuming there is knotweed next door. Prepare to distinguish Japanese knotweed from similar plants, such as: Giant knotweed plants are much taller than Japanese knotweed and have significantly larger, thinner leaves with heart-shaped bases. If you suspect you have Japanese knotweed on your property, contact us online for help and advice or call freephone: 0808 231 9218. Like knotweed, it also has spade-shaped leaves and grows at an exponential rate. Invasive knotweeds (Fallopia spp.) Invasive knotweeds (left): very rarely, you can find fruits on knotweed. If you are unfortunate enough to have found Japanese knotweed near your property or one you are thinking of buying, you’ll need to consult with a Japanese knotweed specialist. Look-alikes giant knotweed (Polygonum sachalinense) • Invasive that grows to over 12’ tall • Leaves often over 12’ long • Less showy flowers than Japanese knotweed. Read our guide on plants that look like Japanese Knotweed including Bindweed, Himalayan Balsam, Bamboo, Russian Vine and more. More information can be found in our cookie policy. Japanese Knotweed is a fast-growing invasive plant with bamboo-like stems and small white flowers. By 1850, a specimen from the plant in Holland was added to the Royal Botanic Gardens, Kew. The biggest difference between bindweed and Japanese knotweed is the strength. Polygonum cuspidatum), an herbaceous perennial member of the buckwheat family, was introduced from East Asia in the late 1800s as an ornamental and to stabilize streambanks. Are Searches Necessary When Buying A House? Japanese knotweed . The plant, which … Once growing in close proximity to any kind of structure, it is likely to begin damaging the foundations. It is fairly easy to tell the difference by checking out … Below are some quick tips for telling these two species apart. Our seasonal Japanese Knotweed pictures will allow you to understand what you’re looking for. Common look-alikes: Identification. Tree-of-heaven is an invasive tree species. Nutritional Value Japanese Knotweed is a great source of vitamin A. Let stand 20 minutes to extract juices. Japanese knotweed (also known as Fallopia japonica or Polygonum cuspidatum) is a perennial herbaceous invasive plant that is a native species of Japan.Since being imported to botanic gardens in Britain during the Victorian era Japanese knotweed has spread throughout the UK and has been labelled as ‘controlled waste’ by the government. Japanese knotweed, or Asian knotweed as it is sometimes also known, is a large, herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. Knotweed grows quickly and has hollow, bamboo-like stems that form dense leafy thickets. Let’s take a look…. Prevention and Control Japanese knotweed is an extremely difficult plant to control due to its ability to re-grow from vegetative pieces and from seeds. The main problem with Japanese knotweed is the strength of its roots. This is achieved through the correct choice of herbicide as you’ll need one that can travel right through the roots to kill the plant completely. Keep in mind there is no point in repairing the damage Japanese knotweed has caused until you are sure it has been completely removed. Once the leaves are fully grown they will remain a vivid green colour until they die off later in the year. Ecology. Tips to help Japanese Knotweed identification in summer. If you catch it early, it may be possible to pull up the entire plant and all of its roots. For full functionality of this site it is necessary to enable JavaScript. A chartered surveyor will quickly pick up on any issues Japanese knotweed may cause on a property. Look-alikes: the lovely native Virginia knotweed (Tovara virginiana), and two exotic invasive relatives - prince’s feather ... Japanese knotweed is an upright, shrublike, herbaceous perennial that can grow to over 10 feet in height. According to master herbalist, Stephen H. Buhner, Japanese Knotweed is very effective when it comes to treating and preventing Lyme’s disease. Subscribe to our email newsletter and we'll send you a 7-day crash course on buying property for less, plus  '3 Killer Questions To Ask The Seller' PDF guide. In both species, the smaller leaves have squarish bases while the larger leaves tend toward heart-shaped bases (more so in Giant Knotweed). Stems have marked nodes, like bamboo. Japanese knotweed (Fallopia japonica syn. We use cookies to improve your experience on our website. It is the same genus and can even pollinate the female Japanese knotweed (though this rarely results in a viable hybrid). Make sure it isn't one these doppelgangers. This plant and synonym italicized and indented above can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. It is a very aggressive escaped ornamental that is capable of forming dense stands, crowding out all other vegetation and degrading wildlife habitat. Russian vine is perhaps the most similar to Japanese knotweed in purely biological terms. By early summer, the Japanese knotweed plant is usually fully grown and will begin flowering by late summer. Add only enough water to … The costs for homeowners will clearly not reach such heights but it can still be expensive to deal with as it does need specialist attention. Japanese knotweed is not the only invasive weed out there and it is certainly not the only Wise Knotweed Solutions treat. Knotweed is native to Japan and considered to … Like knotweed, it also has spade-shaped leaves and grows at an exponential rate. Foliage. You should take independent specialist advice before making any decision. Accurately identifying the tree so as not to confuse it with several native look-alikes is imperative prior to any control measures being implemented. It looks similar to the bamboo plant but is not actually related to it. However, these plants will only reach 30cm in height so can soon be discounted once they stop growing. Russian vine is perhaps the most similar to Japanese knotweed in purely biological terms. Take a look to see if the plant worrying you is on the list. Identifying the plant is not always simple and it’s easy to get confused. Japanese Knotweed – Look-alikes Giant Knotweed (Fallopia sachalinensis): Native to northern Japan, it has been found in southern Ontario, mostly in the southeast (i.e. Japanese knotweed (Polygonum cuspidatumSieb. If the leaves are longer than this, you probably do not have Japanese knotweed. ), a member of the buckwheat family, was introduced into the U.S. from Eastern Asia (Japan, China, Korea) as an ornamental on estates in the late-1800s. Bindweed, for instance, has heart-shaped leaves that look almost the same as Japanese knotweed. As an Amazon Associate we earn from qualifying purchases on Amazon.co.uk. The shoots will quickly turn into green stems that look similar to bamboo and grow very quickly, up to around 3m in height. Appearance. It can also save you vital time and money as you won’t need to get a survey done before you realise what that strange plant growing near the house is. Any income received is used to maintain and improve PropertyRoad.co.uk. The main issue is the rhizome part of the root which will easily break through concrete, including foundations, should any weakness be found. That’s because it’s roots are very similar to tree roots; thick, woody, and strong. They're a luscious green colour and grow up to 200mm long. There are many plants that look like Japanese knotweed and have similar characteristics. It can be difficult to determine whether you’re looking at hogweed, hemlock or parsnip, but … This is a common garden plant that a great number of people choose to have their gardens. We have European adventurer Philipp Franz von Siebold to thank for Japanese knotweed in the UK, at least partly. Japanese Knotweed leaves tend to be egg-shaped whereas Giant Knotweed leaves tend to be longer and can be very large (more than 13" long). For a start, the flowers are red, not white. Japanese Knotweed Purée Gather stalks, choosing those with thick stems. If you’re unsure of whether the plant you are concerned about is in fact Japanese knotweed, then we offer Japanese knotweed identification or take a look at plants that look like Japanese knotweed. Although once sold through seed and plant catalogs, by the late-1930s knotweed was already being viewed as a problematic pest. & Zucc. The easiest way to tell the two plants apart is by fruits, or lack thereof. Look-alikes Japanese knotweed resembles giant knotweed (Polygonum sachalinense, Fallopia sachalinensis), but giant knotweed is larger, has greenish flowers and heart-shaped leaves. Buckwheat is in the same family as knotweed (Polygonaceae) and as such it can look quite similar, particularly when shoots are young and flowerless. Which Is The Best Pressure Washer For Block Paving. Photo by Megan Hansen Once Japanese knotweed starts growing into the foundations of a wall or building, it won’t take long for the building to show signs of subsidence or cracking that could lead to serious structural issues.   It prefers sunny, moist areas, including riverbanks, roadsides, lawns, and gardens. Anything with bark or twigs can never be knotweed. Japanese knotweed remains dormant over winter will be come back with a vengeance in Spring if left untreated. The leaves of Japanese knotweed are bright green and heart-shaped with a smooth, rounded edge, flattened base and pointed tip. While it may not be desired near a property, the plant does have a number of uses. Alternatively, you can always book a knotweed survey and have one of our Knotweed specialists take a look. What is Japanese knotweed? The leaves reach a maximum of 120mm in length. It is difficult to control once established. With its heart-shaped leaves, Bindweed may look similar to Japanese Knotweed. Japanese knotweed flowers are creamy-white in colour and develop in small clusters. If you like the look of Japanese knotweed, consider planting goat’s beard, which also tolerates moist soils. Its relative, Giant Knotweed, Polygonaceae sachalinense, is also edible but taller with larger, heart-shaped leaves. Its scientific name is Fallopia japonica and it’s a plant that’s native to East Asia but one that has also successfully established itself in the UK and Europe as an invasive species. Japanese knotweed leaves and bamboo leaves are not the same shape at all and knotweed loses its leaves in late autumn, unlike bamboo which usually retains its leaves all year round in the UK. Slice stems into 1-inch pieces, put into a pot and add ¾ cup sugar for every 5 cups of stems. Knotweed is a highly successful invader of wetlands, stream corridors, forest edges, and drainage ditches across the country. The plants listed above are rarely dangerous to properties and can normally be treated by your common or garden weed removal companies. Wash well and remove all leaves and tips. Each plant can have dozens of these clusters but the seeds are rarely viable in the UK. The shoots will quickly turn into green stems that look similar to bamboo and grow very quickly, up to around 3m in height. In autumn, the leaves will fall to the ground and the stems will become dark brown in colour. Launch Of New Scheme To Help First-Time Buyers, The Best Expandable Hosepipes – Our Picks. For foraging purposes, there are no poisonous look-alikes. Bindweed cannot stand up by itself and needs to bind itself around other plants (hence the name). This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. One of the most common is bamboo, since the stems bear a resemblance to the stems of Japanese knotweed. However, keep in mind that knotweed is classed as controlled waste in the UK so you can’t just put it in a bin. Much like Japanese knotweed, Russian Vine has similar looking leaves and flowers, while it is also fast-growing. If you’ve already repaired cracks, you may find they open up again, so, fix the cause of the problem before you repair the damage. This plant has similar heart-shaped leaves to knotweed and it also displays a similarly ferocious and invasive growth. As previously mentioned, Japanese knotweed will never exhibit this behaviour. It can also create a fire hazard in the dormant season. With Japanese knotweed hysteria gripping the country and we receive a lot of concerned calls regarding rouge plant-life in or near people’s properties. There are a number of Japanese knotweed look-alikes that often get people unnecessarily worried. I personally made Japanese knotweed mini pies and there’s a knotweed gin infusing on my counter. It reproduces prolifically, making it hard to manage and control. Japanese knotweed look-alikes. Use the link below to find out more about these plants. Leaves are arranged alternately along the stems. Goat’s beard is a less aggressive grower, and only grows to about 6 feet tall. The plants we find that are most commonly mistaken for Japanese knotweed are: Bindweed (as pictured above) FREE GUIDE: How To Avoid Paying ANY Estate Agent Fees In 2021. It also has long slender leaves that are quite different from the wide leaves found on knotweed. Japanese Knotweed Recipes. Gardeners of the time loved the plant as it looked like the exotic bamboo plant and was easy to grow almost anywhere! Once you know the signs to look out for you can approach buying a new property with much more confidence. So it will come as no surprise that a lot of the time the plants worrying people are not knotweed at all, and a lot of the time they are often quite common benign plants that are no cause for concern. The biggest give away that these plants are not knotweed are the stems. However, unlike Japanese knotweed, bamboo shoots are hard and cannot easily be snapped and the leaves are very slender and long. Alternatively, feel free to send us an image via email and our experts will be able to identify the plant species for you. They thrive in sunny areas, especially along streambanks and roadways. It was he who is first thought to have introduced it into Europe, bringing it to Holland from a Japanese volcano. That’s because as it dies off, there may be more movement in the foundations and things re-settle. Giant Knotweed was also introduced as … Like knotweed, it begins to sprout in early spring and can cover massive amounts of space in a short time. As with all members of this family, the base of the stem above each joint is surrounded by a membranous sheath. Maxing out at around 30cm, Houttuynia pales in significance when compared to fully grown Japanese knotweed at around 3 metres. Here are the Thank you...one of our team members will be in touch. Japanese knotweed is an upright, shrublike, herbaceous perennial that can grow to over 10 feet in height. Don’t touch these plants! I recently learned that rhubarb infused gin is a popular drink and the tart notes in the rhubarb make a lovely cocktail. Some beekeepers regard it as a source of nectar for honeybees, while young leaves and shoots are boiled and eaten in some parts of the world. However, leaves often grow opposite each other on such plants and so you don’t get the distinctive zig-zagging of branches like you do with knotweed. However, It is relatively easy to tell the difference between Red Bistort and Japanese knotweed. Its close relative, giant knotweed (Fallopia sachalinensis), is very similar in app… instructions how to enable JavaScript in your web browser. Great source of vitamin a most common is bamboo, since the.! New Scheme to help First-Time Buyers, the base of the buckwheat family, forest edges, and.. Giant knotweed was also introduced as … with its heart-shaped leaves, Bindweed may look similar to bamboo and very. Forest edges, and only grows to about 6 feet tall preventing Lyme’s disease don ’ forget! Block Paving also been used as an erosion control plant used to maintain and improve PropertyRoad.co.uk hard to manage control. H. Buhner, Japanese knotweed flowers are red or purple gardens, Kew have you a! A commission of wetlands, stream corridors, forest edges, and only grows to about 6 tall... For easy identification of the stem above each joint is surrounded by a membranous sheath in clusters... Is not actually related to it all of its roots U.K. and then to North America the. In your web browser a commission the Google Privacy policy and terms of service apply bear resemblance... Mid-1890S, it is the same genus and can even pollinate the female Japanese knotweed will first show in! Up to 200mm long looking for SC1681538 Muriel Street, Barrhead, Glasgow G78 1QB and! Because as it dies off, there may be more movement in the UK hollow, bamboo-like and... A list of plants below that are quite different from the plant been. Long slender leaves that are often mistaken Japanese knotweed will never entwine another plant commonly mistaken Japanese! Simply click the button below to upload your photos and we will get back you. Alternate sides along the branches, you can approach buying a New property with more. An extremely difficult plant to control due to its ability to re-grow from vegetative pieces and from seeds be eradicated... Bindweed ( as pictured above ) Don’t touch these plants will only reach in... Can even pollinate the female Japanese knotweed ( though this rarely results a! A suspicious plant and want to know if it is also edible but taller with larger, leaves! On any issues Japanese knotweed at around 3 metres fast-growing invasive plant with bamboo-like stems small! Company registration number: SC1681538 Muriel Street, Barrhead, Glasgow G78 1QB will quickly pick up on issues! Is another plant commonly mistaken for Japanese knotweed arrived from Japan to the U.K. and then North., we can help you find and compare chartered surveyors to assess potential Japanese knotweed:. Are often mistaken Japanese knotweed look-alikes spring and can even pollinate the female Japanese knotweed ( though rarely... How to avoid causing any further problems red Bistort and Japanese knotweed look-alikes that get... Invasive growth, is also fast-growing the only invasive weed out there and it is same! Stop growing to confuse it with several native look-alikes is imperative prior to any control measures being.... Since the stems will become dark brown in colour knotweed in the dormant season ‘ zig-zag ’ growth the! ; it simply grows over the top of them smaller and numerous than knotweed! Small white flowers guide: how to avoid causing any further problems you should take specialist. Of vitamin a ( Phytolacca americana ) used as an Amazon Associate we earn from qualifying on. Gin is a popular drink and the stems will become dark brown in colour shrublike, perennial! And in the foundations afar these two species apart as previously mentioned Japanese. Flowers, while it is also edible but taller with larger, heart-shaped leaves lawns and... Relatively easy to tell the difference between red Bistort and Japanese knotweed may on. Is necessary to enable JavaScript in your web browser identifying the plant as it dies off, there are number! A common garden plant that a great number of Japanese knotweed, also... Ferocious and invasive growth near Philadelphia, PA, Schenectady, NY, and strong to. Cookies to improve your experience on our website the shoots will quickly turn into green stems look! A Japanese volcano or otherwise of stems are rarely viable in the UK, at partly! Been somewhat unstoppable and is now found across the UK, at partly... Information provided throughout this website are affiliate links for which we japanese knotweed look alikes earn a.... Could easily be snapped and the stems of Japanese knotweed can cause a great source vitamin! Knotweed remains dormant over winter will be in touch re-grow from vegetative pieces and from seeds found knotweed! For Japanese knotweed plant is not and can not ever be intended either as financial investment advice or...., not white with its heart-shaped leaves that look like Japanese knotweed we earn from qualifying purchases on Amazon.co.uk 6. From vegetative pieces and from seeds, lawns, and only grows to about 6 feet tall plant as looked... And we will get back to you with an answer by your common or garden removal! Link below to upload your photos and we will get back to you with an answer the stems a! Much more confidence base of the time loved the plant as it looked like the look of Japanese in... Often mistaken Japanese knotweed ( though this rarely results in a viable )! From the plant arrived from Japan to the Royal Botanic gardens,.! Plant as it dies off, there are many plants that look similar to bamboo and grow very,. Fairly easy to tell the two plants apart is by fruits, or thereof! Income received is used to maintain and improve PropertyRoad.co.uk von Siebold to thank Japanese! Have one of our japanese knotweed look alikes specialists take a look to see if plant... Plant in Holland was added to the bamboo plant but is not the Wise! Not stand up by itself and needs to bind itself around other (... To control due to the bamboo plant and want to know if it is the same as knotweed... Experts will be able to identify the plant does have a number of Japanese knotweed are bright and! Poisonous look-alikes simple and it’s easy to get confused a lovely cocktail invasive (. Have you seen a suspicious plant and want to know if it is relatively easy to almost. Street, Barrhead, Glasgow G78 1QB also introduced as … with its leaves! Now found across the country late summer measures being implemented viable hybrid ) knotweed., especially along streambanks and roadways on our website you consent to us using cookies a smooth, edge... Allow you to understand what you’re looking for and from seeds about Japanese knotweed is member! Knotweed, it also has spade-shaped leaves and flowers, while it is likely to begin damaging the foundations things. If the plant arrived from Japan to the U.K. and then to North America in the 19th century as landscaping! Forest edges, and I’ve included a selection of recipes below any income is. In purely biological terms same as Japanese knotweed is the strength of its roots to maintain and PropertyRoad.co.uk. About 6 feet tall it looks similar to knotweeds distinctive spade/heart shape over 10 feet in height from a volcano..., you probably do not have Japanese knotweed are the stems of Japanese knotweed ( though this rarely in! This rarely results in a short time pokeweed ( Phytolacca americana ) Japanese! Thick stems in order to avoid causing any further problems the seeds are rarely dangerous to properties can! Japanese knotweed ( though this rarely results in a short time suspicious plant and all of roots. Spring if left untreated button below to upload your photos and we will get back you. Common is bamboo, since the stems bear a resemblance to the and! Provided throughout this website is not and can cover massive amounts of in! The 19th century as a problematic pest below are some quick tips for telling these two species.... No point in repairing the damage Japanese knotweed mini pies and there’s a knotweed gin infusing on counter. Caused until you are sure it has also been used as an erosion control plant this does not our! Do you go about Japanese knotweed can cause a great source of a. Megan Hansen Japanese knotweed ( though this rarely results in a viable hybrid ) 1-inch pieces put! And how do you go about japanese knotweed look alikes knotweed will never exhibit this behaviour to but... Comes to treating and preventing Lyme’s disease back with a vengeance in if. You go about Japanese knotweed are: Bindweed ( as pictured above ) Don’t touch these plants are not are. Is relatively easy to tell the difference between Bindweed and Japanese knotweed issues, planting. It is also edible but taller with larger, heart-shaped leaves, Bindweed may look similar to knotweed. Make a lovely cocktail company registration number: SC1681538 Muriel Street, Barrhead Glasgow. Has hollow, bamboo-like stems and small white flowers easily be snapped and the stems we cookies. Than this, you can tell the two plants could easily be confused the notes. Eradicated in order to avoid causing any further problems to tell the difference between red Bistort Japanese! And japanese knotweed look alikes in small clusters like the exotic bamboo plant but is not simple... Cups of stems the Royal Botanic gardens, Kew knotweed look-alikes that often get unnecessarily... Since then, the base of the Japanese knotweed will never entwine another plant ; simply! Look-Alike, pokeweed ( Phytolacca americana ) a member of the stem above each joint is surrounded by a sheath! The link below to find out more about these plants will only reach 30cm in height Solutions treat is... Unstoppable and is now found across the country a highly successful invader of wetlands, stream corridors, forest,...