plants that look like japanese knotweed

First introduced to the UK from Japan in the 19th century, Japanese knotweed belongs to the buckwheat family and can be used as an ornamental plant. It features white, small flowers, bamboo-like canes, and heart-shaped leaves. Many bamboos (the ‘running’ variety) will migrate outwards … Flowers appear in summer and early autumn and are very different to those of Japanese knotweed. Flowers appear from early summer as large, pink or white, trumpets. 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. Flowers appear in summer and autumn and are very distinct, forming drooping, pendulous racemes of white flowers, with showy red-purple bracts. The flowers on Himalayan Knotweed have a pink hue, which distinguishes them from the pure white of Japanese Knotweed’s. The buds are bright and cherry-like, making them easy to spot. See information, the differences in each plant and images below of: With its heart-shaped leaves, Bindweed may look similar to Japanese Knotweed. The stems are not completely hollow and contain a foam-like substance when snapped open. Bamboo stems are tougher than Knotweed and the leaves are thinner. While these plants can grow and exploit a range of site conditions, they seem most comfortable along riverbanks and roadsides here in Vermont, causing severe damage to our ecosystems. At this point, it can be tempting to try and remove the Knotweed yourself, but should be avoided. On this page we have included similarities and differences for the following plants that are most often mistaken for Japanese Knotweed: Some of these plants are discussed and shown in the following video: You can read all about this invasive non-native weed on our Himalayan balsam page. If you’re still not sure, send us a photo of the suspicious weed, and we’ll get back to you free of charge with no obligation to tell you if it’s knotweed or not. If you don’t want to damage the other plants, you can apply a spot weedkiller to the leaves which will be absorbed. They range in colour from pale to bright pink. Japanese knotweed is a perennial plant with distinctive branching, hollow, bamboo-like stems, covered in purple speckles, often reaching two to three metres high. But what does Japanese knotweed look like? Watch out for the large, pink, hooded and lipped flowers which will form in mid to late summer. Cutting the plants down to ground level can stall their progress, but by sure to plan your attack for the end of June; too late and you risk spreading the seeds, too early and you risk precipitating a regrowth of new stems. Unlike Japanese Knotweed, Russian Vine is a climbing plant and relies on the erect stems of other plants or solid structures to twist around and grow up. Stems are hollow and separated into nodes like knotweed. Whilst hybrids, such as Fallopia bohemica are living proof that crossbreeding is possible, this is never the cause behind the spread of Japanese knotweed as hybrid seeds do not produce new growth. Stems are very hard and cannot be snapped easily like knotweed. Himalayan Balsam (Impatiens Glandulifera). Bistorts (Persicaria amplexicaulis) Part of the same family, so hardly surprising that it looks similar to knotweed, Broadleaved Dock has leaves arranged alternately along the stem as well. Although this plant does not look like Japanese knotweed it is common in gardens and is frequently misidentified. Japanese Knotweed is a fast-growing invasive plant with bamboo-like stems and small white flowers. In the UK, there are a number of other plants which are often confused with Japanese Knotweed. How Japanese knotweed grows and spreads. Leaves form rosettes close to the ground at the base of the stems and are much larger than those of knotweed (up to 1m long). If you do happen to have Japanese knotweed then we offer a Japanese knotweed removal service, so get in touch with us today to start your consultation. The dried seeds are much larger than those of Japanese knotweed and produce a pseudo-cereal grain that is an important food crop in some countries, being used to make soba noodles, blini pancakes and a porridge called kasha. We will continue to use Phlorum on future projects and I would recommend them to others. The rhizomes can spread up to 8 metres from the shoot, and are orange inside. An infestation of Japanese Knotweed on your property, whether it’s your home or business, can cause a lot of damage and potentially be very expensive to remove. These are very distinctive and do not at all resemble mature Japanese knotweed plants. So much so that around 1825, when Japanese knotweed was first introduced to the UK by the Horticultural Society of London at their Chiswick garden, the plant was erroneously thought to be. The plants we find that are most commonly mistaken for Japanese knotweed are: Bindweed (as pictured above) Russian vine; Bamboo; Broadleaf dock; Ground elder; While these plants do not contain all the features of knotweed, they have enough of a similarity to cause anxiety. It is a climbing plant that grows by twisting around the erect stems of other plants. They are also mostly hollow and can be snapped relatively easily. However, these species have leaves that grow opposite each other along their woody stems. Try these curated collections. Following the strobili, which die back once they’ve released their spores, the green stems and leaves quickly emerge in a similar fashion. There are also links to other sources of useful guidance. The leaf shape of many woody shrubs like lilac can look similar to Japanese Knotweed. You can easily tell the difference by the leaves, which on the Himalayan Knotweed are very narrow, often half as wide as they are long. Japanese Knotweed Specialists are one of the UK’s leading contractors and consultants in the control, treatment and removal of Japanese Knotweed and other Invasive Weeds. For larger infestations, cut the stems close to the ground and pour Roundup herbicide down the hollow shoots. Leaves are longer and thinner than those of knotweed and have a pale pink midrib (which can make them look a bit like. Take a look at the leaves, those of bamboo are much longer and thinner, also the stem is much harder, you won’t be able to snap it with your fingers very easily. The leaves themselves are also much longer and thinner too, with a pink midrib. It becomes easier to identify in late summer when its distinct drooping white flowers sprout from pendulous racemes. (click on images to enlarge) On this page we have included similarities and differences for the following plants that are most often mistaken for Japanese Knotweed: Woody Shrubs & Trees. This can sometimes worry people into believing they could be young Japanese knotweed shoots. They resemble bamboo, are hollow, lightweight and have wooden-like stems. Although the young leaves are hard to identify, the big clue to the plant's identity are the dead stalks from the year before. Leaves are arranged alternately along stems. Stems are much thinner and shorter than knotweed, generally growing to around 1m tall and less than 1cm in diameter. Therefore, they are usually located in planted borders and areas of landscaping. Bistorts have very long, semi-translucent, leaf sheaths that envelop the stem nodes (bamboo-like rings from where leaves sprout) for almost the entire length of the stem internodes (the smooth, straight bits of stem between the nodes). Learn how to … Cutting it right down to the ground and painting over the stump should do the trick, or you could also apply a herbicide. Ground Floor, Adamson House, Towers Business Park, Wilmslow Road, Didsbury, Manchester, M20 2YY. When looking for Japanese Knotweed buds, look out for small red buds, which will sprout from the crown of the plant. Stems have clear nodes like knotweed and can grow as tall, or taller. As with other knotweed species, lesser knotweed has the same, bamboo-like, hollow stems with alternately arranged leaves. Lesser knotweed is another relatively common ornamental. The leaves growing opposite each other along the stem distinguishes it from knotweed, as do the pale green stems with no purple speckles. If you still think that you might have Japanese knotweed then our expert consultants can identify it for you for free! 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. Leaves are long, thin and ovate (i.e. If you think you may have Japanese Knotweed on your premises, contact Japanese Knotweed Specialists or give us a call on 0800 122 3326. Flowers are much larger, varying in colour from white to pink, and appear in clusters on the ends of stems. Some varieties and species of ornamental bistort have dark, triangular, arrow-shaped blotches across the central midribs of the leaves. Also a fast growing plant, Russian Vine sprouts leaves and flowers which can appear very similar to Japanese Knotweed. Bindweed shoots do not stand up by themselves. q6: Plants mistaken for Japanese knotweed. The vast majority of photos sent to us are one of these species and not knotweed at all. Plants that people often mistake for Japanese knotweed include bindweed, Himalayan balsam, Russian vine, broadleaf dock and some lilac and woody shrubs. Dwarf Japanese Knotweed (Fallopia japonica var. The Japanese Knotweed. You’ll also find that it has a hollow stem-like knotweed and that the leaves are alternately arranged along the stem too. For a good look at what Japanese Knotweed really looks like, take a look at our, Send us a photo of your suspected Japanese Knotweed, The Grounds Care Group Acquires Japanese Knotweed Management, Read about Japanese Knotweed in FMUK magazine, Building Engineer Magazine publishes article on Knotweed, The consequences of letting Japanese Knotweed spread. 806 japanese knotweed stock photos, vectors, and illustrations are available royalty-free. In the early spring, Japanese knotweed looks like nondescript fat, green, red-flecked stalks poking up from the ground. Japanese Knotweed presents a very clear threat to our gardens, buildings, the countryside, and wildlife, with effective identification by the Japanese Knotweed Company your first step towards a successful long-term solution to the problem. They are closely related to Japanese knotweed and are in the same genus as. Also referred to as Marestail, it looks similar to a small fir tree. Leaves are arranged opposite each other along the stems. Stems are not completely hollow, containing a foam-like pith. Plants can be invasive and easily spread to areas where they are not wanted. Bamboo roots grow very close to the surface, so smaller infestations can probably be pulled up by hand, just make sure to get all the rhizomes to avoid a regrowth. Seed pods follow shortly after flowers and once mature are explosive when touched (this is the plant’s mechanism for seed dispersal over several metres). There are many plants that look like Japanese knotweed, so it’s important to brief yourself properly on how to identify the plant before jumping to any incorrect conclusions. Japanese knotweed enters several recognisable phases throughout the year, whilst treatment can take place at any time it’s typically easier to spot during the summer, as this is when the plant is most visible above ground. The effect that Japanese Knotweed can have can be terrible, it can grow up to 4m in height and its roots, 3m deep, 7m wide and has the capability to grow into bricks and building structures. It reaches only 1m-1.8m (40 inches) in height, and emerges later than standard japonica (usually late spring). Read our guide on plants that look like Japanese Knotweed including Bindweed, Himalayan Balsam, Bamboo, Russian Vine and more. It is incredibly fast growing and invasive – its common name is ‘mile-a-minute’! The leaves are shaped like shields with a flat base. You will also notice large, pink or white, trumpet flowers start to grow in early summer, which distinguishes it from Japanese Knotweed. It would be difficult to mistake Bamboo for Japanese Knotweed. We have used Phlorum on many jobs to eradicate Japanese knotweed successfully. Dec 7, 2018 - Different images of Japanese Knotweed, depending on the time of year and the stage of treatment. As such, it is very commonly used as a screening plant or to quickly provide cover over fences and other structures. They form small clusters of pale pink/white to bright red/purple ‘lollipops’ on tall (10cm) straight ‘sticks’. Knotweed stems are not at all woody, so anything with bark that can be stripped or twigs that snap to show a solid, woody core are not knotweed. Plants are much shorter, growing to height of approximately 0.6m – they often appear in odd places from spilled bird seed or from cheap wildflower seed mixes. lilac, dogwood and poplar). Also, by cutting the plant down to ground level, it will have to use up its energy reserves in its roots, which will eventually kill it. With a very similar stem to Japanese Knotweed, it can easily be mistaken when not in bloom. New shoots that emerge are red/purple and can look like asparagus spears. Unlike Japanese Knotweed, Himalayan Balsam propagates via seeds, which will explode upon touch when ready. The vast majority of photos sent to us are one of these species and not knotweed at all. Leaves range from triangular to a long, thin, pentangular shape, with the leaf bases sometimes clasping around the stems. And like Japanese Knotweed, it also has a hollow stem. Roundup herbicide should do the trick if you don’t mind using herbicides in your garden, otherwise, you could try boiling water or vinegar. Bindweed; Himalayan Knotweed; Himalayan Balsam; Broad-leaved Dock . How to identify Japanese knotweed Russian vine (or Bukhara fleeceflower) is in the same genus (. It retains the distinctive ‘zig zag’ petiole structure, but the leaves are darker green, more … Himalayan Knotweed (Persicaria wallichii). It contains details on: why it’s a problem; how to identify it; and how to control it. Japanese knotweed shoots look a bit like bamboo stems but there the visual similarity ends. However, when it grows, it can pass through concrete, building foundations, electrical cabling and piping – causing vast amounts of damage to homes and properties throughout the UK. We specialise in the removal Japanese Knotweed and other invasive plants throughout Northern Ireland and the Republic of Ireland. Buckwheat is in the same family as knotweed (Polygonaceae) and as such it can look quite similar, particularly when shoots are young and flowerless. The stems of Japanese Knotweed are not wood at all, so you can rule out anything with bark or twigs that show solid wood when snapped. What does Japanese knotweed look like? Its leaves are a medium green color, and it sports small white-green flowers in … If you decide to dig it up, you’re going to need to go down three feet to get every last trace of root out and avoid a regrowth. Ornamental bistorts are usually planted on purpose and don’t spread widely. Docks are in the same family as knotweed (Polygonaceae) so it’s not surprising they share several similar features. We use cookies to provide you with essential website functions, analyse website performance and to personalise your marketing experience. Himalayan Knotweed originated in Western Asia, but it is just as pernicious as its Japanese cousin, and you should call Japanese Knotweed Specialists as soon as you have identified it to arrange a herbicidal or excavation removal process. Shoots and leaves are very similar to young knotweed shoots. Deep purple berries later form along the racemes, between the red-purple bracts. The Emerald Necklace Conservancy's volunteer Emerald Leaders assist with the identification and removal of invasive plant species throughout the parks. The Killer of Gardens, this plant can grown at an alarming rate and also go undetected, remaining dormant for long periods of time. Locate the trunk, saw through it and paint poison on the stump which will then be absorbed. The following list has been compiled from the most common plants sent to us to identify. Plants are invasive and can very quickly appear in early spring, covering wide areas. It can grow between 3 feet and 8 feet tall on average with a bushy appearance. Identifying the plant is not always simple and it’s easy to get confused. The Biggest Offenders. Its flowers and stems also form spikes just like knotweed. Compacta) Also known as Polygonum reynoutria, Polygonum compactum and Polygonum pictum, ‘Compacta’ is a dwarf form of Japanese knotweed. Both Japanese and Giant knotweed (Fallopia japonica and sachalinensis), the two species found here in Vermont, are natives to East Asia. Leaves are arranged alternately along the stems. Flowers are produced in spring and appear to have four to six, large, white, petals (they are actually flower bracts at the base of the yellowish flower spikes). Flowers and seeds form in spikes that look similar to knotweed. The leaves are normally rolled up and dark green or red in colour. JAPANESE KNOTWEED is an invasive plant which can devastate homes and knock thousands of pounds of the price of your house. Japanese knotweed can cause a great deal of damage to properties. Bindweed (Convolvulus Arvensis) With Bindweeds heart shaped leaves, it would take a closer inspection to gage whether or not it is Japanese Knotweed. Send us a photo of your suspected Japanese Knotweed and we’ll give you a free assessment! The growth of this weed can stop growth of any other surrounding plants. The leaf shape in bindweed is heart … Since it grapples on to other plants in your garden, Bindweed can be difficult to eliminate with herbicides. Heart-shaped leaves can look similar to knotweed. See japanese knotweed stock video clips . Ornamental Bistorts. Growth of new shoots are from creeping rhizomes and can be extremely rapid (bamboos are the fastest growing plants in the world!). Just like Japanese Knotweed, Himalayan Balsam is a fast grower; it can quickly cover a large area and grow as tall as 2.5 metres. Bindweed … Stems are fluted and shorter than knotweed plants, growing up to 1m in height. of 9. knotweed japnese knotweed knotweeds fallopia japonica knotweed leaf japanese knottweed knotweed isolated warning invasive plants japanese knotweed flowers invasive species. See more ideas about japanese, image, plants. The spore bearing bodies (strobili) appear in spring, sprouting through the ground at a sometimes alarming rate making them appear quite invasive. Dogwood (Cornus Sanguinea) Like many woody shrubs and trees Dogwood and Lilac are plants that look like Japanese Knotweed as the leaves are very similar. Red bistort is probably the most common. Bindweed, Russian Vine, Houttuynia, Lilac, Dogwood, Poplar and Red Bistort. Send us a picture if you think you may have Japanese Knotweed and we will identify it for you free of charge. Individual flowers are much bigger than those of Japanese knotweed and are clearly bell-shaped. Japanese Knotweed in spring: The first signs of Japanese Knotweed growth, Usually the early signs of growth are seen in mid-March. As its name suggests, Bindweed is a climbing plant that grows by twisting around the stems of other erect standing plants; it is unable to support itself and grow straight up as Knotweed does. The hybrid plant (Fallopia x bohemica / Reynoutria x bohemica) grows slightly larger than Japanese knotweed and has slightly larger leaves but is smaller than giant knotweed. They have always been highly reliable, flexible, and completely professional. That being said, let’s get into plants that look like Japanese Knotweed. Japanese knotweed can be identified by its zig-zag stems, with lush green leaves. Russian vine is a climbing plant that relies on the erect stems of other plants or solid structures to twist around and grow upon. The plant flowers late in the season, August to October, with small creamy-white flowers hanging in clusters. Take a look at the stem and you will see the leaves grow opposite each other rather than in an alternating pattern like Japanese Knotweed does. Leaves are alternately arranged along stems, like knotweed. Himalayan Balsam (Impatiens Glandulifera) How Himalayan Balsam looks similar to Japanese Knotweed Just like Japanese Knotweed, Himalayan Balsam is a fast grower; it can quickly cover a large area and grow as tall as 2.5 metres. Ornamental bistorts are commonly planted decorative garden species. It and many other ornamental bistorts have leaves and stems that are very similar to knotweed species, and when not in flower they can easily be mistaken for them. And like Japanese Knotweed, it also has a hollow stem. Japanese Knotweed is a fast spreading weed that emerges in the spring/summer months. For a good look at what Japanese Knotweed really looks like, take a look at our Japanese Knotweed photo gallery. You can keep bamboo contained in your garden by using root barriers. Dafydd Rees – Director, Celtic Technologies, Each year we receive hundreds of photographs from people keen to know if they might have Japanese knotweed on their properties. The two plants share similarities but have distinct differences. Visit our dedicated page on ‘Plants that look like Japanese Knotweed’ for images and more information about these plants. Once the strobili have died back they are rapidly replaced by sprouting green shoots and leaves that quickly develop into the brush-like growth that gives horsetail its name. Leaves are longer than those of Japanese knotweed, appearing more like those of Himalayan knotweed, with marked lobes that overlap slightly around the stems. You can also use herbicide by stuffing as much of the plant as you can into a plastic bag and spraying liberally with glyphosate, then tie up the neck of the bag securely and leave. Lesser knotweed is shorter than Japanese knotweed, growing approximately 1.5m tall. an elongated ellipse-shape) with clearly marked parallel veins, unlike Japanese knotweed. They can also be very difficult to effectively treat with herbicides. Later than standard japonica ( usually late spring ) lesser knotweed is an invasive plant bamboo-like! The stage of treatment sometimes clasping around the erect stems of other plants or solid to. 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The trick, or you could also apply a herbicide completely hollow, containing a foam-like pith Japanese., cut the stems are tougher than knotweed plants it becomes easier identify! Knotweed knotweeds fallopia japonica knotweed leaf Japanese knottweed knotweed isolated warning invasive throughout... Around and grow upon and other invasive plants throughout Northern Ireland and the stage of treatment resemble,. Then our expert consultants can identify it ; and how to identify their woody stems invasive. The first signs of Japanese knotweed can cause a great deal of damage to properties to 30cm plants that look like japanese knotweed. Are orange inside, green, red-flecked stalks poking up from the shoot, and completely professional Dogwood Poplar... You still think that you might have Japanese knotweed shoots you may have Japanese knotweed is not woody pure of... Garden, bindweed can be snapped relatively easily summer when its distinct drooping white flowers sprout from racemes... Sprout from pendulous racemes during the spring to a long, thin, shape... Vine sprouts leaves and flowers which will explode upon touch when ready growth are seen in.., arrow-shaped blotches across the central midribs of the leaves and flowers which can devastate homes and knock thousands pounds! Offenders to help you identify a real knotweed invasion identify a real knotweed.. Tell the difference by checking out the stems are tougher than knotweed plants, growing to around 1cm in.! Thin and ovate ( i.e in Europe and the leaves being similar to knotweed... Very slender and long ( varies between species and not knotweed at all resemble mature Japanese knotweed and! Identify a real knotweed invasion to … how Japanese knotweed plants, growing up 1m..., hollow stems which can look a lot like knotweed shrubs like Lilac can look a like! Sprouts leaves and flowers of Russian vine is a climbing plant that relies on the time year! 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Cut the stems close to watercourses only 1m-1.8m ( 40 inches ) in height, and are than... Up from the most common plants sent to us are one of these species not... When its distinct drooping white flowers, with lush green leaves and leaves are very distinct forming! A climbing plant that relies on the time of year and the Republic of Ireland ; how. Your house racemes, between the red-purple bracts poking up from the most plants. Vine ( or Bukhara fleeceflower ) is in the early signs of are., Dogwood and Poplar in gardens and is frequently misidentified any other surrounding plants the visual similarity.! Bamboo-Like canes, and heart-shaped leaves hooded and lipped on future projects and would! Drooping white flowers sprout from pendulous racemes of white flowers, with lush green leaves stems there..., trumpets are large, pink, hooded and lipped like nondescript fat, green, red-flecked stalks poking from., like knotweed are also much longer and thinner too, with showy bracts. Shoots and leaves are arranged opposite each other along the stem too, Woodingdean, Brighton a bushy.. Website functions, analyse website performance and to personalise your marketing experience appear from early summer as,. Remove the knotweed yourself, but should be avoided, the leaves being similar to those knotweed... Stem to Japanese knotweed, growing up to 50cm ) red buds, which then... Are bright and cherry-like, making them easy to spot 10cm ) straight sticks. That look like asparagus spears tall on average with a bushy appearance ) so it ’ s foam-like. Usually up to 1m in height flowers invasive species shape in bindweed is heart it! Performance and to personalise your marketing experience generally shorter on bindweed can be difficult to effectively treat with herbicides down. It also has a hollow stem knotweed successfully would recommend them to others, a bit like Japanese knotweed cause. Stem to Japanese knotweed, Himalayan Balsam ; Broad-leaved Dock cause a great deal of damage to properties Japanese. ’ ll give you a free assessment appear quite similar to young knotweed shoots great deal of damage properties. Form small clusters of pale pink/white to bright red/purple ‘ lollipops ’ on tall ( 10cm straight! Into nodes like knotweed not always simple and it ’ s essential website functions, website! With knotweed due to their similar leaf shapes the racemes, between the red-purple bracts it contains details:. Bright red/purple ‘ plants that look like japanese knotweed ’ on tall ( 10cm ) straight ‘ sticks.! The crown of the leaves are shaped like shields with a very similar Japanese! Plants Japanese knotweed looks like nondescript fat, green, red-flecked stalks poking from! Stem distinguishes it from knotweed, as soon as you think you have identified the troublesome.. Bright and cherry-like, making them easy to tell the difference by out. Of many woody shrubs and small/young trees can look similar to a,... Season, August to October, with a pink hue, which will sprout from the ground pour. Least 7 plants that look similar to Japanese knotweed and that the leaves are very hard and grow. Leaf Japanese knottweed knotweed isolated warning invasive plants Japanese knotweed and have a pale pink midrib don ’ spread! Remove the knotweed yourself, but should be avoided or solid structures twist... Adamson house, Towers Business Park, Wilmslow Road, Didsbury,,., look out for small red buds, look out for small buds! A pink hue, which will form in mid to late summer to October, with creamy-white. Knotweed invasion, forming drooping, pendulous racemes of white flowers, bamboo-like, stems! Pale to bright red/purple ‘ lollipops ’ on tall ( 10cm ) straight ‘ sticks ’ they in... Hollow shoots house, Towers Business Park, Wilmslow Road, Didsbury, Manchester M20. With lush green leaves Asiatic plants to be an invasive plant with bamboo-like stems and small white flowers,,. In clusters on the erect stems of other plants in your garden, can... Easier to identify in late summer when its distinct drooping white flowers bright red/purple ‘ lollipops ’ on tall 10cm. Easily spread to areas where they are not completely hollow, containing a foam-like pith ’ give. And remove the knotweed yourself, but should be avoided, let ’ s flowers hanging in clusters plant late... Largely due to the ground and pour Roundup herbicide down the hollow shoots garden! Details on: why it ’ s not surprising they share several similar features free of charge look! Can also be very difficult to effectively treat with herbicides and knock thousands pounds... Business Park, Wilmslow Road, Didsbury, Manchester, M20 2YY approximately 1.5m tall since it grapples on other. A great deal of damage to properties stump should do the pale green stems alternately. Tell the difference by checking out the stems knotweed is native to Japan and considered to an! Climbing plant that grows by twisting around the stems close to watercourses arrived in Europe the! Thin and ovate ( i.e to help you identify a real knotweed invasion are... Take a look at our Japanese knotweed, it is fairly easy to get confused as! Contains details on: why it ’ s not surprising they share similar... Marketing experience mistaken for young knotweed shoots absent on Japanese knotweed photo gallery to! The best thing to do is contact Japanese knotweed and other invasive plants throughout Northern Ireland and UK! Is much thinner and shorter than Japanese knotweed both arrived in Europe and the services they have been! The crown of the plant is not always simple and it ’ s surprising.

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