Stems are 2-3 m tall and are branched in the upper half. Japanese knotweed is a non-native invasive plant that can cause problems to your property/house. Himalayan Balsam was brought to the Uk in 1839 by the Victorians as an Ornamental plant, along with other invasive species such as Japanese Knotweed and Giant Hogweed. It was introduced to the UK in 1839 and is now a … For any help in removing Himalayan Balsam or Japanese Knotweed, please contact Japanese Knotweed Specialists. Alternatively, feel free to send us an image via email and our experts will be able to identify the plant species for you. As a company which specialises in the eradication of a range of invasive weeds, Japanese Knotweed Plus Ltd will kill giant hogweed by physically removing or treating it with herbicides, depending on your particular case. Eradication requires determination as it is very hard to remove by hand or eradicate with chemicals. Himalayan Balsam often develops close to water, making it particularly difficult to remove without the help of suitable herbicides. It is a very invasive weed though not harmful if consumed. Heavy rain forced the rivers Severn and Wye to flood last year allowing plants as Japanese knotweed, Giant Hogweed and Himalayan Balsam to be spread by floodwater before taking hold in new locations. Himalayan knotweed is a perennial, herbaceous plant with a woody root. Japanese and Bohemian knotweed share many similarities. Japanese Knotweed was introduced in the UK in the 1850's as an ornamental plant and as a fodder plant. Himalayan Balsam. Flowers are held on red stalks. The Weeds Act 1959, is the earliest, which lists noxious weeds whose spread must be controlled. The Country Land and Business Association says the weeds - such as Giant Hogweed, Himalayan Balsam, Japanese Knotweed and Floating Pennywort can be dangerous … Himalayan knotweed (Persicaria wallichii) is a species of plant in the knotweed family and is sometimes referred to as cultivated knotweed. If Japanese knotweed grows close to your house, retaining/garden wall, fence or garden building, the underground roots and rhizomes can damage these structures as they exploit the cracks/mortar joints and weaknesses. Our seasonal Japanese Knotweed pictures will allow you to understand what you’re looking for. THE spread of Japanese Knotweed is creating havoc all over Ireland — damaging homes, gardens and devaluing property. Himalayan Balsam is a shallow rooted plant which makes it easy to pull out the ground by hand. We can use this to find out if Dangerous weeds are in your area, then we do a free evaluation check to see if you have Weeds and can claim £10,000’s. Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. Read our guide on plants that look like Japanese Knotweed including Bindweed, Himalayan Balsam, Bamboo, Russian Vine and more. Read more about Giant Hogweed. Check if you Qualify: Check Your information is secure. Although knotweed is not directly “dangerous ” to people, it can be incredibly damaging to the environment, both natural and manmade. Himalayan balsam is a tall-growing annual and it produces clusters of purplish-pink flowers. The flowers are followed by growing seed pods that open explosively when they are ripe. It is similar to Japanese knotweed and Giant knotweed but originated in Western Asia as opposed to Japan. Like Japanese knotweed, giant hogweed can be eliminated by physical removal or by applying chemicals. Many Himalayan Balsam removal teams in London, Surrey and the South East use chemicals such as Glysophate, which is not selective, and will kill any plant it comes into contact with. We offer Japanese knotweed control in York BB6 8 to prevent damage in your garden or property. Himalayan Balsam outcompetes other native plants for natural resources such as sunlight and minerals. Whilst Japanese Knotweed is not dangerous to humans, it can cause ecological destruction if left to grow. Canes are hollow and have jointed nodes. 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. That’s why it’s a good idea to have it checked by a specialist. For help in identifying Himalayan Balsam, you can contact Japanese Knotweed Specialist. They are very fast growers and can reach full height by the end of June. It has been claimed that the weed can damage buildings and foundations, though there … New shoots start to arise during the early spring. Japanese knotweed is dangerous because of its extensive underground roots, which can cause damage to driveways, drainage systems, boundary walls and gardens if left untreated. Threat The other three types of knotweed present in Ireland all pose the same threats as Japanese knotweed. Five years ago, the Environment Agency commissioned a new app to track the growth of dangerous weeds, using the crowd-sourcing principle. The knotweed grows at such a prodigious rate that it draws all the nutrients from the surrounding areas, causing all other competing plants with wither and die Most people have trouble identifying whether they have Japanese knotweed at all. Japanese knotweed is not dangerous in the sense that it is not poisonous to humans or animals, yet it’s impact on the environment can be huge. Giant knotweed … Japanese vs Bohemian knotweed. 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