On-site burial. Southwest Knotweed started its journey in 2011, 1st treating Japanese Knotweed in Cornwall and then, soon expanding across the South West, covering Devon, Somerset and Cornwall, offering bespoke solutions within the Invasive Weed Industry. Not all landfill sites are able to take Japanese knotweed contaminated material, which is regulated under Part 2 of the environmental Protection Act 1990 and the Hazard Waste Regulations 2005. • Plant material is a ‘controlled waste’ under the Environmental Protection Act 1990. The vast majority of Japanese knotweed waste currently ends up in landfill sites where it rots, producing damaging landfill gases such as carbon dioxide and methane. And as Japanese knotweed is classed as “controlled waste” under the Environmental Protection Act 1990, both vegetation and soil must disposal at licensed landfill sites. Article 34. This is ideal where no construction work has begun and the site can be fully excavated to make a hole deep enough to contain the Japanese Knotweed. It is classed as ‘controlled waste’ under the Environmental Protection Act 1990 and requires disposal by a licensed waste carrier, who will ensure it is disposed of at a licensed landfill site. Cut Knotweed material and soils contain rhizomes must be disposed of as a controlled waste if they are to be removed from their site. There are several approaches you can use to get rid of this plant, and it sometimes requires multiple attacks for complete eradication. Get in touch for legal help! Under no circumstances can you dispose of Japanese Knotweed in your compost, recycling, or waste bins, due to its fast spreading and growing nature. Previous Environment Agency guidelines stated that excavation of Japanese knotweed should be undertaken within a 7 metre zone around plants and to a depth of 3 metres. Japanese knotweed is so tenacious that it has been known to grow through solid masonry foundations. Only registered waste carriers should transport this material and relevant insurance policies should be in place. Japanese Knotweed waste is classed as “controlled waste” and must be disposed of in line with the Duty of Care Regulations 1991 under the Environmental Protection Act 1990. And merely dumping it in the trash or into a landfill site is strictly forbidden. Japanese knotweed can also be burnt as a method of eradication – if the waste belongs to a business rather than a private individual, the EA and local Environmental Health Officer must be notified at least a week in advance (.GOV.UK, 2017). What Is Japanese Knotweed? You are only allowed to bury knotweed at authorised landfill sites, you are also required to call in advance to give them time to prepare. You should also call the landfill before you transport the waste, as it must have the correct environmental permit to deal with the knotweed. Reduced landfill volumes. The location of the burial pit must be marked accurately on site plans so that it is not accidentally disturbed by any future works. The act stipulates that Japanese Knotweed can only be disposed of at landfills that are licensed to handle contaminated soil. Site Capping is a fast way to eradicate Japanese Knotweed while keeping volumes of waste to a minimum. Japanese knotweed is a weed that can grow to over two metres high and spread rapidly. There are three ways to get rid of Japanese Knotweed; each has their pros and cons, and prices vary. Japanese Knotweed A Brief History of an Invasive Weed – What is it? As part of buying, selling or re-mortgaging a property you may be required to undertake a Japanese knotweed survey. Early detection and treatment of Japanese knotweed infestations is of paramount importance if remediation costs are to be kept to a minimum. 4. The local environment agency should be notified with the intention to bury Japanese Knotweed 7 days in advance. Japanese Knotweed identification. As of the 2014 order People who fail to control the spread of invasive non-native plants such as Japanese Knotweed could be fined or receive anti-social behaviour orders. How long does it take to get rid of Japanese knotweed? • It is listed under schedule 9 of the Wildlife and Countryside Act 1981 and it is an offence to plant or cause this species to grow in the wild. Read our Japanese Knotweed FAQs to find out more about this invasive plant. The waste can either be sent to landfill or buried on site. Alternatively, solarize viable plant material by placing it in sealed black plastic bags and leaving them in direct sunlight for 1-3 weeks. The problem with Japanese Knotweed is that it can sprout from as little as 2mm of rhizome, meaning it is classed as “controlled waste” under the Environmental Protection Act of 1990 and must only be disposed of into licensed landfill sites to stop further spread. Known for its destructive capabilities, the Japanese knotweed is an invasive plant which can severely damage buildings and construction sites if left unchecked. Our site surveys identify and record the knotweed problem and accurately assess the risk category in accordance with the Royal Institute of Chartered Surveyors (RICS) guidelines. Minimised excavation . Japanese Knotweed is one of the most common and problematic invasive weeds in the UK today due to its resilience, rapid growth rate and difficulty to fully remove. Fallopia japonica, Reynoutria japonica and Polygonum cuspidatum, aka Japanese Knotweed is a rhizomatous perennial plant. This will also ensure that any contractors on-site will treat Japanese knotweed appropriately. We have a team of highly qualified staff, who will be more than happy to discuss the process and options of dealing with Japanese Knotweed. Knotweed species in the region include: Japanese (Fallopia japonica), Bohemian (F. x Bohemicum), Giant (F. sachalinensis) and Himalayan (Persicaria wallichii). In Northern Ireland, Waste Transfer Notes are required by the licensed haulier to transport the material to the landfill site. • Japanese knotweed (Fallopia japonica) is an invasive plant that can cause damage to property, and is very difficult to control once established. 5. To move soil in the Republic of Ireland that contains Japanese knotweed will require a license from NPWS. WHAT DOES JAPANESE KNOTWEED LOOK LIKE? In Northern Ireland it is illegal to dispose of Japanese knotweed, or knotweed contaminated soil, at a landfill site without informing the landfill site that the waste material is Japanese knotweed. Japanese Knotweed (Reynoutria japonica) ... Do not compost viable plant material at home or send to landfill. ... cause the spread of Japanese knotweed and all waste which contains Japanese knotweed has to be disposed of at a licensed landfill site. The time it takes to get rid of Japanese knotweed depends on the size of the infestation and the techniques used to combat it. The following points should help you through this process. This is then removed to an environment agency approved disposal site. Removal to landfill: This method completely removes Japanese Knotweed material from site and is very quick to implement. Japanese Knotweed Burial On-site. You must use a registered waste carrier and authorised landfill/disposal site if removed off site. Delays can be very costly. Burial pits should not be located under proposed buildings. As we have mentioned above, disposing of Japanese knotweed at a licenced landfill is the easiest way to make sure you are staying within the law. Dispose of Japanese knotweed waste off-site. As well as harming the environment, Japanese Knotweed is able to grow through the smallest gaps in walls, pavements and structural foundations of buildings. If you have it growing in your garden, you’ll want to get it removed as soon as you can. • Japanese knotweed - 1.5 m to 2.5 m tall, multiple branches, mottled purple/brown • Giantknotweed-3 mto6 tall,fewornobranches, mottled purple/brown • Himalayanknotweed-2 mto3 tall,branchedat upper half, reddish in color Rhizomes: At maturity, rhizomes are thick and woody, and can spread up to 20 m laterally. However, as the Japanese knotweed spreads rapidly, it can be a severe problem for homeowners. 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