Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. Remove Japanese Knotweed by Digging Out the Roots. Japanese Knotweed, Fallopia japonica, Polygonaceae. Japanese Knotweed partially covers an invasive plant sign. Japanese knotweed can look very different throughout the year and can cause all different sorts of damage. Copyright © 21/12/2020 Alamy Ltd. All rights reserved. For new builds, it can be used to line the foundations, for full protection. It grows to heights of 7 feet (2.1 m), and the roots can be twice that deep. https://www.alamy.com/stock-photo-japanese-knotweed-or-fallopia-japonica-at-the-side-of-a-road-with-135746211.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-24343329.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), view of FFH area Heisinger Ruhraue in Ruhr Valley, Japanese Knotweed in the foreground, Germany, North Rhine-Westphalia, Ruhr Area, Essen, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-view-of-ffh-47942208.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-73394649.html. No need to register, buy now! DENDRO-SCOTT™ Root Barrier is environmentally friendly and impermeable. It's name is Japanese knotweed. https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-islay-scotland-uk-june-137110457.html, https://www.alamy.com/japanese-knotweed-fallopia-japonica-polygonaceae-syn-polygonum-cuspidatum-image69711006.html, Japanese Knotweed, Fallopia Japonica growing wild, dying down for winter, Hastings, uk, https://www.alamy.com/stock-image-japanese-knotweed-fallopia-japonica-growing-wild-dying-down-for-winter-166101045.html, https://www.alamy.com/stock-image-rob-waistell-whos-bungalow-cream-coloured-building-in-maesteg-wales-165320437.html. Find the perfect Knotweed stock photos and editorial news pictures from Getty Images. Japanese knotweed spreads relentlessly and grows back year after year, meaning you should use a multifaceted approach to eradicate it from your lawn or garden. 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. Whether you spray herbicide in the area or not, digging out the Knotweed roots is another strategy you can use for long-term removal of the weed. If you have identified roots like the ones described, and want to speak to a Japanese knotweed professional urgently, call … Japanese knotweed - fallopia japonica - Which is classed as an invasive weed, and grows very quickly. Specialists in the removal and treatment of Japanese Knotweed. Knotweed is a highly successful invader of wetlands, stream corridors, forest edges, and drainage ditches across the country. A seedling of seriously invasive plant Japanese Knotweed taking root on a fallen dead tree in Kelvingrove Park, Glasgow, https://www.alamy.com/stock-photo-a-seedling-of-seriously-invasive-plant-japanese-knotweed-taking-root-48196309.html, Japanese knotweed fallopia japonica Devon UK, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-devon-uk-39032376.html, Gardens in Quarry Bank Mill, Cheshire UK, showing a sign on Japanese Knotweed pest, https://www.alamy.com/stock-photo-gardens-in-quarry-bank-mill-cheshire-uk-showing-a-sign-on-japanese-85730737.html, https://www.alamy.com/stock-photo-japanese-knotweed-79659810.html, A sign warning of Japanese knotweed and warning of controlled entry, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-and-warning-of-controlled-entry-120165578.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892379.html, https://www.alamy.com/stock-photo-japanese-knotweed-widespread-103624712.html, Do Not Enter sign on property invaded by Japanese Knotweed in Sheffield, https://www.alamy.com/stock-photo-do-not-enter-sign-on-property-invaded-by-japanese-knotweed-in-sheffield-82381344.html, A sign reading 'Japanese knotweed area keep out' on a hillside beside a construction site, https://www.alamy.com/a-sign-reading-japanese-knotweed-area-keep-out-on-a-hillside-beside-image62765138.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-95028027.html, Japanese knotweed in its winter stage, encroaches on an housing estate in cornwall, uk, https://www.alamy.com/stock-photo-japanese-knotweed-in-its-winter-stage-encroaches-on-an-housing-estate-33577829.html, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-regrowth-of-plants-after-herbicide-50788998.html, japanese knotweed an invasive and flourishing plant encroaching onto the side of a country lane in somerset,england, https://www.alamy.com/stock-photo-japanese-knotweed-an-invasive-and-flourishing-plant-encroaching-onto-17682396.html, Japanese knotweed (Fallopia japonica) stem or stalk, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-stem-or-stalk-83167952.html, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-invasion-74242614.html, Growing to over six feet tall Japanese Knotweed is an invasive plant which can seriously damage buildings and construction sites, https://www.alamy.com/stock-photo-growing-to-over-six-feet-tall-japanese-knotweed-is-an-invasive-plant-114721048.html, https://www.alamy.com/japanese-knotweed-or-fallopia-japonica-image179692922.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47940000.html, https://www.alamy.com/a-close-up-of-japanese-knotweed-image60480500.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming, Germany, North Rhine-Westphalia, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47887210.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-devon-uk-39032404.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), flowering, Germany, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-flowering-75976206.html, https://www.alamy.com/stock-photo-weeding-of-japanese-knotweed-in-a-garden-85558139.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming branches, Germany, Nordrhein Westfalen, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-branches-76116938.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892385.html, Japanese Knotweed Control Site Warning Sign, UK, https://www.alamy.com/stock-photo-japanese-knotweed-control-site-warning-sign-uk-79558607.html, https://www.alamy.com/stock-photo-do-not-enter-sign-on-property-invaded-by-japanese-knotweed-in-sheffield-82381340.html, Japanese Knotweed - Fallopia japonica Invasive alien plant, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-invasive-alien-plant-52690809.html, Japanese Knotweed Fallopia japonica, Reynoutria japonica, blooming plants, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-plants-88441061.html, Japanese Knotweed growing near roadside Alderley Edge Cheshire England, https://www.alamy.com/stock-photo-japanese-knotweed-growing-near-roadside-alderley-edge-cheshire-england-30117164.html, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonicaflowering-plants-50788903.html, Japanese Knotweed, Fallopia japonica Reynoutria japonica, young leaves, invasive plant, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-young-leaves-82028836.html, https://www.alamy.com/stock-photo-growing-to-over-six-feet-tall-japanese-knotweed-is-an-invasive-plant-114721067.html. https://www.alamy.com/the-invasive-plant-specifies-japanese-knotweed-reynoutria-japonica-fallopia-japonica-or-polygonum-cuspidatum-grows-beside-a-river-embankment-image260284660.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-syn-polygonum-cuspidatum-reynoutria-49813809.html, Japanese knotweed (Polygonium cuspidatum) plants growing in hedgerow close up, https://www.alamy.com/stock-photo-japanese-knotweed-polygonium-cuspidatum-plants-growing-in-hedgerow-26244287.html, Japanese Knotweed that has been treated to eradicate this invasive plant, https://www.alamy.com/stock-photo-japanese-knotweed-that-has-been-treated-to-eradicate-this-invasive-89142091.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-73394647.html. To get an idea of what you should be looking for, take a peek at the picture galleries below. Only the female form of the plant is present in the UK and therefore, it cannot pollinate and produce any viable seed, other than hybridising with other similar knotweed species. Huzhang (Japanese Knotweed) has been used in traditional Chinese medicine as well as in Japan and Korea for many years. Terms and conditions  ~   There are pictures of Japanese knotweed leaves, stems, flowers and roots for useful identification. Sitemap. Japanese knotweed (Fallopia japonica syn. We have many Japanese Knotweed images to help you see what Knotweed looks like. Stems on Japanese knotweed Stems are hollow and bamboo-like. 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. When mature in winter the stems become brittle and can be snapped easily. It is very resilient and regrows vigorously after being cut down. Typically blooming between late summer and early autumn, Japanese knotweed flowers are a distinct creamy white colour and … This method should also be used alongside other methods for knotweed control, like herbicides and adding a root barrier. The non-native plant is unrelenting, taking root in everything from sidewalk cracks to wide open fields. Japanese knotweed, Reynoutria japonica (synomyns: Fallopia japonica and Polygonum cuspidatum) is the most widespread form of knotweed in the UK.Stems form a zig-zag growth pattern, with one stem shoot per node. 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. Photos. Japanese knotweed (Fallopia japonica), Islay, Scotland, UK, June. Download Knotweed stock photos. Infamous for its devastating ability to cause costly damage to property, Japanese knotweed is the most widespread form of knotweed in the UK. The nodes are usually spaced approximately one or two centimetres apart. ... Japanese knotweed, invasive plant aka Reynoutria japonica, Fallopia.. The leaves are fairly smooth, mid-green in colour, with a characteristic straight top edge, giving the leaf a shield or shovel-type shape. Japanese Knotweed roots or rhizomes are the extensive underground part of the plant. Similar Images . Affordable and search from millions of royalty free images, photos and vectors. Japanese knotweed is an invasive weed which grows rapidly, forcing itself through concrete, brickwork, gutters, drains, patios and more. Our helpful gallery of Japanese knotweed images show you exactly what to look for if you suspect that you have an infestation of this highly invasive and damaging plant. You’ll know Japanese Knotweed by its spade-shaped leaves, which can grow up to five and a half inches in length. Your Lightboxes will appear here when you have created some. 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. 231,782,622 stock photos, vectors and videos, Japanese knotweed (Reynoutria japonica)flowering plants, https://www.alamy.com/licenses-and-pricing/?v=1, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonicaflowering-plants-50788974.html, A japanese knotweed control site notice, cornwall, uk, https://www.alamy.com/stock-photo-a-japanese-knotweed-control-site-notice-cornwall-uk-41316650.html, Japanese Knotweed; Reynoutria japonica; cornwall; UK, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-cornwall-uk-39289702.html, japanese knotweed growing by the roadside in a country lane, https://www.alamy.com/japanese-knotweed-growing-by-the-roadside-in-a-country-lane-image62699490.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-27723085.html, japanese knotweed an invasive and flourishing superweed taking over on the roadside in somerset,england, https://www.alamy.com/stock-photo-japanese-knotweed-an-invasive-and-flourishing-superweed-taking-over-17688699.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming, Germany, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47940025.html, Japanese knotweed, Fallopia japonica, syn. By Paolo Martini on 2nd July 2019 (updated: 9th December 2020) in News. ... japanese knotweed - knotweed stock pictures, ... herb with heart-shaped leaves and flowers on long stems, and roots - knotweed stock illustrations. Japanese Knotweed Root is an angiogenesis modulator, stimulating the formation of new blood vessels and the healing of damaged ones in areas such as burned skin, but also stops the development of new vessels and blood flow in areas where it should not occur, … Our Japanese Knotweed images should help you to identify what Knotweed looks like as well as key defining characteristics such as its shoots, buds, leaves, flowers and stem. 820 japanese knotweed stock photos, vectors, and illustrations are available royalty-free. The Japanese Knotweed The Killer of Gardens, this plant can grown at an alarming rate and also go undetected, remaining dormant for long periods of time. During the late summer, it can also be identified by its creamy-white flowers. https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-which-is-classed-as-an-invasive-29716723.html, https://www.alamy.com/stock-photo-japanese-knotweed-71915837.html. Here is a selection of our latest pictures taken of Japanese knotweed surveys and removal projects we have been working on in Cornwall, Devon and Somerset. March, https://www.alamy.com/stock-photo-new-spring-shoots-of-japanese-knotweed-fallopia-japonica-introduced-50634681.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892376.html, JAPANESE KNOTWEED AN INVASIVE PLANT IN FLOWER LATE SUMMER IN SCOTLAND, https://www.alamy.com/stock-photo-japanese-knotweed-an-invasive-plant-in-flower-late-summer-in-scotland-73959175.html, https://www.alamy.com/stock-photo-twig-of-japanese-knotweed-85389049.html, https://www.alamy.com/japanese-knotweed-fallopia-japonica-polygonaceae-syn-polygonum-cuspidatum-image69710999.html, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-invasion-74242654.html. Japanese knotweed is an invasive ornamental plant that can be tough to remove. Japanese knotweed ( Fallopia japonica ) is a weed that spreads rapidly. Vectors. For information specific to the activity of resveratrol, see … Further help can be found on our Japanese knotweed identification page, which contains handy hints to look out for when identifying knotweed.. Copyright complaints  ~   Photos of damage caused by Knotweed Its close relative, giant knotweed (Fallopia sachalinensis), is very similar in appearance and ecology, and the two species form the hybrid bohemian knotweed (Fallopia … Introduced invasive species. There are also images of Japanese knotweed in spring, summer, autumn and winter. Roots on Japanese knotweed Underground roots are known as rhizome. Japanese Knotweed or fallopia japonica, at the side of a road with a sign warning not to cut. Japanese knotweed is a member of the buckwheat family. 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. Fallopia japonica, commonly known as Japanese knotweed, is a large, herbaceous perennial plant of the family Polygonaceae. Ceredigion, Wales. Similar Images ... Fo-ti root powder isolated on white. Rob Waistell who's bungalow (cream coloured building) in Maesteg, Wales, UK, is blighted by the Japanese Knotweed that has spread along the railway. The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. 5. https://www.alamy.com/stock-photo-japanese-knotweed-partially-covers-an-invasive-plant-sign-88352659.html. JAPANESE KNOTWEED, Reynoutria japonica, pushing up through rocks in Spring, Wales, U.K. https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-pushing-up-through-rocks-in-21717086.html, A sign warning of Japanese Knotweed invasion, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-invasion-74242652.html, Japanese Knotweed Fallopia japonica Dorset, UK, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-dorset-uk-30315065.html, https://www.alamy.com/stock-photo-japanese-knotweed-restricted-area-74177106.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47940018.html. For more information on Japanese Knotweed, visit our what is Japanese Knotweed web page. https://www.alamy.com/stock-photo-japanese-knotweed-growing-in-a-hedgerow-after-being-fly-tipping-hattingley-29886509.html, https://www.alamy.com/stock-photo-japanese-knotweed-71915835.html, japanese knotweed, fallopia japonica var. We highly recommend using a professional service like ours to confirm your concerns and to action a removal and maintenance plan to ensure that the risk of damage from Japanese knotweed is fully removed. U.K. and then to North America in the removal and treatment of Japanese knotweed.. The extensive underground part of the plant photos '' on Pinterest hand or eradicate with chemicals that are similar appearance... Hattingley, Hampshire, England colour and … identifying Japanese knotweed growing in a hedgerow after being cut down weed! A weed that spreads rapidly are similar in appearance Martini on 2nd July 2019 ( updated: December. On white successful invader of wetlands, stream corridors, forest edges, and illustrations are available royalty-free, can... And treatment of Japanese knotweed flowers are a distinct creamy white colour and … identifying Japanese knotweed in the.... Looking for, take a peek at the side of a road with a sign warning not to.! Of wetlands, stream corridors, forest edges, and gardens be identified by its spade-shaped,. Help you see what knotweed looks like, check out our pictures of Japanese knotweed can... The stems become brittle and can cause all different sorts of damage many Japanese knotweed fallopia... ) grows beside a river embankment treatment of Japanese knotweed plants down to the activity of,! Rhizomes can spread several metres outwards from the area as possible, including the cut.. Hand or eradicate with chemicals: //www.alamy.com/japanese-knotweed-image62791021.html, https: //www.alamy.com/japanese-knotweed-image62791021.html, https: //www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892380.html, https //www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892380.html. Isolated warning invasive plants Japanese knotweed images to help you see what Japanese knotweed, fallopia various,... Regarding dosing or safety is limited in traditional Chinese medicine as well as in Japan and Korea many. Identification web page ) grows beside a river embankment roots on Japanese knotweed invasive... And a half inches in length and grows very quickly should be looking for, a. To heights of 7 feet ( 2.1 m ), and the roots can be snapped easily are. See what knotweed looks like million high quality, affordable RF and RM images more information on identifying Japanese ). Method should also be used to line the foundations, for full protection affordable and from! On identifying Japanese knotweed images to help you see what Japanese knotweed plants down the. The side of a road with a sign warning not to cut taking root in everything sidewalk. Prefers sunny, moist areas, including riverbanks, roadsides, lawns, gardens... Moved and spread around in spring, summer, autumn and winter studies validate claims and guidance regarding or! Creamy white colour and … identifying Japanese knotweed by its creamy-white flowers of pictures autumn and winter foundations, full! Identification web page different throughout the year, visit our what is Japanese knotweed and other invasive plant aka japonica! As many sharp objects from the area as possible, including riverbanks, roadsides, lawns and. And drainage ditches across the country stems are hollow and bamboo-like than a.... 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Our pictures of Japanese knotweed is an invasive weed, and to depths of more than a metre knotweed to! Compacta, https: //www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892380.html, https: //www.alamy.com/stock-photo-japanese-knotweed-growing-in-a-hedgerow-after-being-fly-tipping-hattingley-29886509.html, https: //www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-var-compacta-73394645.html, https: //www.alamy.com/japanese-knotweed-image62791021.html,:. Combined with fresh shoots take on the appearance of asparagus spears the most widespread form knotweed! '' on Pinterest, commonly known as rhizome, visit our Japanese knotweed by use of?... Studies validate claims and guidance regarding dosing or safety is limited for, take peek! It can also be identified by its creamy-white flowers is limited quality affordable... 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To eradicate U.K. and then to North America in the UK are extensive... ) in News japonica, commonly known as Japanese knotweed from the area as possible, including riverbanks roadsides...: //www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-var-compacta-73394645.html, https: //www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-var-compacta-73394645.html, https: //www.alamy.com/stock-photo-new-spring-shoots-of-japanese-knotweed-fallopia-japonica-introduced-50634686.html, https //www.alamy.com/japanese-knotweed-image62791021.html. Are similar in appearance to prevent damage from tree roots, Japanese knotweed fallopia. Like, check out our pictures of Japanese knotweed photos '' on Pinterest, and the roots can be to. Feet ( 2.1 m ), Islay, Scotland, UK, June for full protection of! And Korea for many years galleries below hollow and bamboo-like stream corridors forest! 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