Our process includes cutting down the knotweed and excavating the roots. If you spot Japanese knotweed, we recommend leaving it undisturbed, and getting in touch with us to confirm your diagnosis and make a start on the removal and management process. If you are using Round up Concentrate Plus, use it straight. If diluting, do so over a dry sandy or gravel area. They are effective but each type has its drawbacks. It is not only quick, it is more cost effective, which is why so many construction companies and developers choose it. The biggest issue with the weed is that it can swamp other plants. The excavated infested soils undergo a screening process in the Xtract™ machine to separate the Japanese knotweed rhizome from the soil using our patented technology. And no matter which method is used, the process … The leaves are heart or shovel-shaped and up to 5.5in (14cm) in length and appear in a zig-zag pattern along the stems. In spring, you will see reddish-purple shoots emerge from crimson buds at ground level. We have been removing Japanese Knotweed since 1982! We talked about the damage it can cause, and how his company has developed tech so that this pesky plant can be used to help, not hinder the environment. Cookie Policy. Legally, you must prevent Japanese knotweed on your land from spreading into the wild and causing a nuisance. Japanese Knotweed Removal Tips And Why It Is Important to Get Rid of "Fleeceflower" Written by. The Strategic Environmental Assessment (SEA) Process. It can also grow through concrete and road asphalt. We can offer an insurance-backed warranty for up to 10 years, so in the unlikely event of the weed returning, we will deal with it within that time. ‘Dig and bury’ on site is another popular method, but while it is effective at removing the weed it restricts the use of available land for development. With limited space available, they need to charge a premium. We spoke further about it with Nic Seal, the founder and MD of Environet, the Japanese knotweed removal firm, which uses eco-innovative technology to remove the weed from properties and premises. Commercial Japanese Knotweed Removal Contractors; What is Japanese Knotweed? The plant dies in winter to ground level but by early summer the bamboo-like stems emerge from creeping underground stems and can grow up to 7ft (2.1m). If a survey reveals Japanese knotweed on a home that you are planning on buying then you should be able to negotiate a lower price as a result. Clean processed soils are then immediately ready for re-use on site. Japanese Knotweed Removal Training has a team of Contaminated Land & Invasive Species Experts delivering training in Ireland on the Control of all Invasive in particular Japanese Knotweed. The creamy white flower tassels are produced in late summer and early autumn and can reach up to 6in (15cm).   This method is best to do in the spring to catch the plant at the start of its growing season. It can also reduce the value of houses by thousands. Japanese knotweed absorbs the glyphosate into the rhizome with a faster absorbency rate than that of foliar spraying. Different types of Japanese Knotweed treatment — . Our expert Bernard says, “It can seriously damage foundations, which is why mortgage companies don’t like it. Landfill sites charge a high price as they need a separate area to control its growth. Getting Rid of Japanese Knotweed Yourself Remove Japanese Knotweed as soon as possible — . Any Japanese knotweed removal work that requires excavation and removal of infested soil and ground materials, will usually prove to be more costly than chemical methods. So, for anyone considering DIY Japanese knotweed treatment, we have put together a list of "dos and do nots" to help you better understand the process of treating knotweed and the amount of work involved. With a simple click of the button, you will be able to easily check on individual site details, access receipts, receive quotes and view inspection reports at any time without ever having to call the office. The landed gentry loved it as it has stems like bamboo, so looked Oriental.”. Send us a photo of the problem. The other issue is that the Japanese Knotweed remains on site. 1. Label bottle. This field is for validation purposes and should be left unchanged. Although this is a far quicker method, it's more expensive and often results in a far larger portion of your yard getting destroyed in the process. Botanist Phillipp von Siebold found the plant growing on the sides of volcanoes, where its growth is kept under control by the climate and regular deposits of ash. This involves repeat spray applications to the foliage or stem injection. Has experience with liasing with Government Departments on the Island of Ireland a quick way to remove Knotweed! 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