Ontario's Invading Species Awareness Program (Canada). If you have a knotweed problem, you’ll …

Japanese knotweed is one of the most invasive plant species in Britain. Invasive Plant Atlas of New England (IPANE) - Japanese knotweed, Mexican bamboo. If you identify knot weed within your grounds, it is recommended to have this sorted as soon as possible to avoid further damage being caused. Polygonum cuspidatum), an herbaceous perennial member of the buckwheat family, was introduced from East Asia in the late 1800s as an ornamental and to stabilize streambanks. If you have a knotweed problem, you’ll already know that this aggressive weed needs stopping in its tracks. By Joseph Laws for MailOnline. Japanese KnotweedDamage It’s time to tackle Japanese Knotweed damage and gain total control of your property. Japanese knotweed has long been feared by property owners, and London is a hotspot. In the UK, Japanese knotweed is established in the wild in many parts of the country and creates problems due to the impact on biodiversity, flooding management and damage to property. Invasive Species Specialist Group. Japanese knotweed, also known as Asian knotweed, can be very damaging to building and the roots can even grow through hard surfaces such as tarmac.
Speak to a Japanese knotweed damage specialist.


Japanese knotweed is an invasive plant which property experts have noted causes damage to people's homes if left unattended. Environet provide the UK’s leading Japanese knotweed solutions for both commercial and domestic properties. The strong roots can rampage under fences, damage paths and patios and work their way inside the cavity walls of houses, even emerging two storeys up out of the chimney stack. The Japanese Knotweed displays large, heart-shaped leaves that protrude from bamboo-like stems and produce small clusters of creamy white flowers, which bloom in late summer. What is Japanese knotweed and how much damage could it do to your garden? Global Invasive Species Database - Fallopia japonica (herb, shrub) IUCN. Japanese knotweed (Fallopia japonica syn. Japanese knotweed is a controlled waste and therefore needs to be disposed of in a waste disposal site which accepts ‘Invasive weeds'. The nasty weed finds weak points and masonry cracks to grow through which can cause major damage to buildings. In spring new shoots of the bamboo-like plant emerge and quickly reach a height of two metres. It is an offence to dispose Japanese knotweed incorrectly as part of the Environmental Protection Act 1990. Fallopia japonica (Japanese knotweed) is a well-known invasive alien species in the UK and elsewhere in Europe and North America. Japanese knotweed is a highly aggressive weed that can cause damage to property.