Its distinctive shield shaped leaves, and purple-flecked green shoots are a common sight along train tracks and areas of wild growth throughout the country - as well as many gardens. To learn more about Japanese-knotweed eradication, please complete our enquiry form. Obviously, this isn’t ideal if you’re trying to sell your home. The plant was described by the UK Environment Agency as the UK’s most invasive plant species. Knotweed, otherwise known as Fallopia Japonica, is a type of plant that is listed as one of the world's worst invasive species. Individuals with Japanese Knotweed on their premises have a legal responsibility to prevent the spread of the weed into neighbouring locations. This means that it dies back in winter and re-emerges in spring (so typically the growing season is May – October). My garden has now been taken over with brambles, bindweed and japanese knotweed and i have enough of seeing slowly being devoured with none of teh plants ive grown for years gone. The plant can grow through cavity walls which could cause even more damage to your home or workplace. In order to manually remove the rhizomes from beneath 4 square yards of the ground you would have to dig up 20 square yards. By Paolo Martini on 26th February 2020 (updated: 27th May 2020) in News. You also have to make sure you are aware of contaminated soil to make certain you do not risk the knotweed growing back. Failure to stop the spread of Japanese Knotweed to neighbouring properties is an offence that can result in an Antisocial Behaviour Order (ASBO) and a fine of up to £2,500. Home; About The Academy. If you're looking for nearby Fallopia Japonica specialists local to you, we can get our team of experts closest to your property to come out and identify and remove the plant. And even these buyers are likely to want to negotiate a discount on the sales price to compensate for the cost of dealing with the problem. Dutch researchers have released thousands of Japanese leaf fleas in hopes of getting a harmful and invasive plant species under control. Its rhizomes are able to push through asphalt, gaps in brick, and weaknesses in concrete. Research has found that just 0.7 grams of rhizome - about 10 mm - can produce a whole new plant within 10 days. The taste is, apparently, reminiscent of a lemony rhubarb, and can be used in a variety of sweet and savoury recipes. This is because of its potential to cause a lot of damage to your property, whilst being notoriously difficult to get rid of. Even when it is first growing and shoots are just emerging, you will be able to see a red/purple tinge in the asparagus-like tips. Knotweed flowers arrive late in summer, compared to other flowering plants, which means that bees are given a last-minute alternate source of nectar to make honey with. It is particularly prevalent in the UK in southwest England, south Wales, and Greater London. Having Japanese knotweed in your garden can make it very difficult for an interested buyer to get a mortgage. Find the best agents in your area here. The shoots start to emerge in late March to early April, with an appearance of asparagus and are red-green in colour. The shoots start to emerge, are asparagus like and are a red-green colour. Stem cuttings from mowing, flails, or strimming can re-grow and establish new plants. Crowns can withstand drying and composting to sprout new buds and new plants. Not only is it edible, it is rather good for you too. The Knotweed must be treated at the root and by cutting it down. We also specialist in Eco Control Solutions involving surveying, treatment and eradication of invasive plant species. Have released thousands of Japanese leaf fleas in hopes of getting a harmful and invasive plant species April, does japanese knotweed have thorns! 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