The name ‘Mile-a-Minute’ might give you some idea of how quickly this vine-like perennial grows, quickly swamping most other plants in the area. Knotweed canes in the winter have a very similar appearance to bamboo, which is often why it is not spotted during this time. Japanese Knotweed is a plant that can cause numerous problems for homeowners. Baring heart-shaped leaves like its Japanese twin, this also has a rapid growth spurt when it first appears in... Russian Vine. Japanese Knotweed is a plant that can cause numerous problems for homeowners. It has heart shaped leaves and hollow green canes with purple speckles. The RHS describe it as having: "reddish-purple fleshy shoots emerge from crimson-pink buds in spring" "dense stands of tall bamboo-like … Japanese knotweed is relatively easy to identify, once you know what the characteristics are. That being said, it is unable to support its own weight and lacks the ability to grow straight up, unlike Japanese Knotweed. Take a look to see if the plant worrying you is on the list. There are however lots of plants that share similar characteristics, especially those in the same family. Japanese knotweed can be difficult for the untrained eye to identify as there are so many plants of varying species that it closely resembles. Japanese Knotweed can Impact Your Mortgage & Borrowing. It’s closely related to Japanese knotweed – these two darlings can actually create hybrids – but doesn’t have the same fearsome reputation. The Environment Agency describes Japanese knotweed as the most invasive species of plant in Britain. Bindweed, Russian Vine, Houttuynia, Lilac, Dogwood, Poplar and Red Bistort. As the name suggests, Bindweed is a climbing plant that has the ability to grow by twisting around other erect plants. The lack of tall stems and its scrambling, untidy habit are dead giveaways. The nasty weed finds weak points and masonry cracks to grow through which can cause major damage to buildings. Our expert team can help you identify Japanese knotweed and other invasive plants, before it’s too late. For avoidance of doubt, Japanese knotweed identification is best left to trained eye. PBA Solutions can help you with our free ‘ID My Weed!’ invasive weed identification service and help discern plants mistaken for Japanese knotweed. Japanese Knotweed is a fast-growing perennial plant that can grow at an alarming rate, in many cases as much as 10cm a day. Plants that can be mistaken for Japanese Knotweed Dogwood Lilac Flowering Houttunyia N.B. Looking at the photo above tells you all you need to know about this commonly misidentified weed; it looks nothing like knotweed! If you have a lot of patience, you can unwrap each entangled stem all the way down to ground level, where you can then locate and pull out the roots. Once the weed has been identified, we use safe, effective, and approved methods to remove the Japanese knotweed and dispose of it appropriately. But it is important to be accurate with Japanese knotweed identification, if only to avoid attacking some other innocent shrub with herbicide. Sweet Emotion Fragrant Pink Abelia, pink knotweed uses: where can you grow pinkhead knotweed and Hibiscus ‘Pinot Noir' (Hibiscus rosa-sinensis hybrid) Japanese Knotweed can easily be mistaken for other plants, if you are unsure simply contact us for further information. It has bamboo-like stems that can be easily snapped, which often leads to it being mistaken for Japanese knotweed. Plants that can be mistaken for Japanese Knotweed Dogwood Lilac Flowering Houttunyia N.B. Himalayan Knotweed (Persicaria wallichii) How Himalayan looks similar to Japanese Knotweed With a very similar stem to Japanese Knotweed, it can easily be mistaken when not in bloom. If you are still unsure as to whether you might have an infestation of Japanese knotweed on your property, please send us a picture for a free assessment, below. Unfortunately, I’m not as good looking, talented, funny, or wealthy as any of the afore-mentioned celebs. However these plants that look like Japanese Knotweed share … Take a look at our Japanese knotweed picture gallery and our identification videos to aid you in identifying knotweed throughout the season. I must just have one of those faces I guess. Besides the stems, though, there are many differentiators including the formation of leaves opposite to another along the stem (as opposed to alternating) and a … This plant has similar heart-shaped leaves to knotweed and it also displays a similarly ferocious and invasive growth. Some of the plants commonly mistaken for Japanese knotweed include Bindweed, Russian vine, Bamboo, Broadleaf dock and Ground elder. Nothing to be scared of, just look out for seedlings each year. You can book a Japanese knotweed survey here. The leaf shape and flowers are very similar, although the leaves are more arrow-shaped than Japanese knotweed leaves. It can grow through foundation and asphalt, and their roots are extremely strong and potent. We will do our best to identify the weed for you. The leaf shape in bindweed is heart shaped and is comparable to knotweed; however bindweed does not have the flat edge like knotweed does. Possible health hazard, as the thick mats can be mistaken for dry land. On average, around half of the images we receive each week are not knotweed. Japanese knotweed leaf whereas on a Giant knotweed leaf it is lobed, forming a heart shape. Dock grows as a multi-leaved plant from individual tap roots and will commonly reach a metre in height with its central flower spikes. Once the weed has been identified, we use safe, effective, and approved methods to remove the Japanese knotweed and dispose of it appropriately. Legislation: Northern Ireland; Under article 15 of the Wildlife (Northern Ireland) Order 1985, it is an offence to plant or otherwise cause to grow in the wild Japanese knotweed or any other invasive plant listed in Part II of schedule 9 to that Order. In fact, most mortgage providers are likely to avoid lending on a property that has Japanese Knotweed. This service begins with free identification of the weed, as Japanese knotweed can easily be mistaken for other species, including the Russian Vine and Himalayan Honeysuckle. If you’re not confident about identifying Japanese knotweed, the RHS has more details on it’s appearance and common plants it can be mistaken for. This is a great first step if you’re not completely sure what the weed is and are not ready to commission a full survey. Japanese knotweed is often mistaken for bamboo; however it is easily distinguished by its broad leaves and its ability to survive Ontario winters. Visit our dedicated page on ‘Plants that look like Japanese Knotweed’ for images and more information about these plants. If you find a plant and think it's Japanese knotweed but are not completely sure, email your pictures to [email protected]
and we will be able to assist you. You’ll also find that it has a hollow stem-like knotweed and that the leaves are alternately arranged along the stem too. Japanese knotweed infestations can spread quickly, taking hold of vast areas as its large structure of roots take hold. Please be aware that Knotweed can sometimes be mistaken for other invasive plants such as the Himalayan Knotweed, Russian Vine, Himalayan Honeysuckle and Houttuynia. So don’t go spraying your lilac bush – spring will bring thousands of beautiful, fragrant white or lilac (of course!) Click the link and send us some photographs (close-ups are preferable) of the suspect plant, including any additional details and your name and telephone number. Plants Commonly Mistaken For Japanese Knotweed Include: Bindweed – This plant “climbs with strong twining stems, has large heart-shaped leaves and large white trumpet flowers. Japanese knotweed or Fallopia japonica is a very vigorous herbaceous perennial that spreads via deep rhizomes (underground stems). Russian vine has similar white flowers and has the ability to grow rapidly, quickly overwhelming other garden plants. flowers. Give it half a chance and it will climb through all your favourite shrubs and become entangled with every branch, stem and leaf, reaching up to the light by literally wrapping its thin stems around anything that’s available. Knotweed can be mistaken for other species, including Himalayan honeysuckle. Please be aware that Knotweed can sometimes be mistaken for other invasive plants such as the Himalayan Knotweed, Russian Vine, Himalayan Honeysuckle and Houttuynia. It is most often seen as a hedgerow plant or weed, scrambling over and often smothering hedges and shrubs of all sizes and even smaller ornamental trees”. A lot of the calls we receive are from anxious homeowners and potential buyers, who have spotted a suspicious looking plant that has grown rapidly, wasn’t there last year and they’ve been told by a friend that it may be knotweed. As a result, consider going for herbicides that have a more prolonged residual effect. Plants Commonly Mistaken For Japanese Knotweed Include: Bindweed – This plant “climbs with strong twining stems, has large heart-shaped leaves and large white trumpet flowers. The plants we find that are most commonly mistaken for Japanese knotweed are: While these plants do not contain all the features of knotweed, they have enough of a similarity to cause anxiety. It’s this characteristic that makes it such a pain to remove – ripping the bindweed stems out often damages any soft stems and leaves on the host plant as well. Sweet Emotion Fragrant Pink Abelia, pink knotweed uses: where can you grow pinkhead knotweed and Hibiscus ‘Pinot Noir' (Hibiscus rosa-sinensis hybrid) How to Eat Japanese Knotweed. Bindweed, Russian Vine, Houttuynia, Lilac, Dogwood, Poplar and Red Bistort. This weed has a highly invasive characteristic as it can achieve a height of 2 meters within weeks. Plants Mistaken For Japanese Knotweed. And the threat is real: it can lower house prices, threaten our bridges, and drive men to madness. As the name suggests, Bindweed is a climbing plant that has the ability to grow by twisting around other erect plants. There are many plants that look like Japanese knotweed and have similar characteristics. Confirm the presence of Japanese knotweed. How you can tell the difference between Himalayan and Japanese Knotweed. If not contained it can spread easily into gardens. This garden favourite is often a plant mistaken for Japanese knotweed, with its spade shaped … 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. As the shoots grow, and healthy knotweed grows very quickly, spade-shaped leaves begin to unfurl, often beginning their life tinted with … Check it out and you will see some key identification points. Japanese knotweed will normally reach at least two metres in height, with many leaves growing from each main stem and side shoots. Japanese knotweed has some very distinctive features, once you know what to look for: Be aware of bonsai regrowth, which often occurs after glyphosate based herbicides are applied. Japanese knotweed can grow up to 10cm a day during the summer (to a maximum height of 2.1m, according to the RHS), can regrow from a fragment the size of a thumbnail and spreads via an underground network of rhizomes which can remain dormant beneath the ground for years at a time. Japanese knotweed shoots look a bit like bamboo stems but there the visual similarity ends. Or alternatively call 01932 868 700 and one of our consultants will be happy to help. One of that most mistaken plant that looks like Japanese Knotweed. Japanese knotweed can be mistakenly identified as other similar plants, such as Russian vine or Himalayan Honeysuckle, but it can cause a lot more damage than these plants. Look carefully at the leaves and you’ll see that they are heart shaped, with lobes either side of the stalk, which Japanese knotweed does not possess. You can read more about these on our Plants that are commonly mistaken for Japanese knotweed page. With its slender, elongated leaves, it bears greater similarity to Giant knotweed and Lesser knotweed, to which it is closely related, and is often mistaken for Lesser knotweed (and occasionally for Himalayan balsam). The species can move onto a terrestrial habitat after it colonises an aquatic area. (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. In fact, most mortgage providers are likely to avoid lending on a property that has Japanese Knotweed. Getting a positive identification of Japanese knotweed can be difficult if you’re unaware of the seasonal changes the plant goes through, or the numerous copycats that it can be mistaken for. 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. So what are the other plants that are mistaken for Japanese knotweed? Bindweed. Bindweed has to be one the most annoying weeds ever. Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. This plant is also known as Leycesteria Fomosa. We’ve discussed previously the easy-to-spot visual clues to identifying Japanese knotweed, so in this article we’ll consider a few of the plants mistaken for Japanese knotweed (and a few examples that look nothing like knotweed but still, somehow, get confused for it). Japanese Knotweed Plus Ltd always recommend to arrange inspection of the client’s site by our qualified surveyors for correct identification of Japanese knotweed as there are many similar species that can be mistaken for Japanese knotweed throughout their growing cycle. Other intro-duced members of the Polygona-ceae family are often mistaken for Japanese knotweed. If not contained it can spread easily into gardens. Japanese knotweed is common in urban areas, particularly on wasteland, railways, roadsides and riverbanks. Dwarf knotweed Himalayan knotweed . Ornamental Bistorts. Japanese knotweed is in Clearwater, and can have large impacts on infrastructure. Although it can easily spread through its rhizomes (it loves moist soils) it generally only reaches 30 centimetres in height. Compare that to Japanese knotweed which grows to three metres tall in the right conditions and it’s clear that the comparison ends there. For further help and information concerning plants mistaken for Japanese knotweed, call our friendly team on 0203 174 2187 or 01202 816134. Although it will send up lots of annoying little suckers if chopped back, that is the extent of its invasive capabilities. Houttuynia. If you are still unsure as to whether you might have an infestation of Japanese knotweed on your property, please send us a picture for a free assessment, below. The leaf shape in bindweed is heart shaped and is comparable to knotweed; however bindweed does not have the flat edge like knotweed does. This poor plant which, in its native land does no more harm than a wood-bug, over here in the UK (and the rest of Europe and the USA) has been transformed (some would say hyped) into a monster of the natural world. Some types of Dogwood, Lilac and Flowering Houttunyia are sometimes mistaken for Japanese Knotweed. Our advice in this situation is not to panic. It is most often seen as a hedgerow plant or weed, scrambling over and often smothering hedges and shrubs of all sizes and even smaller ornamental trees”. 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. If the plant you are looking at doesn't look exactly like the ones on our Japanese knotweed identification page, then take a look at the images below and see if you can find a The hybrid is in-between with a slightly lobed base. This service begins with free identification of the weed, as Japanese knotweed can easily be mistaken for other species, including the Russian Vine and Himalayan Honeysuckle. You’ll also find that it has a hollow stem-like knotweed and that the leaves are alternately arranged along the stem too. 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 **, For the Public Sector & Housing Associations, 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. Because of this, Knotweed is classed as controlled waste and must be disposed of safely at a licensed landfill site according to the Environmental Protection Act (Duty of Care) Regulations 1991. The vast majority of photos sent to us are one of these species and not knotweed at all.