Knotweed

Bohemian knotweed, a mutant hybrid— which is a cross between Japanese and giant knotweed that produces huge quantities of viable seeds —now accounts for about 80 per cent of knotweed infestations in British Columbia.

Uses A variegated variety of Japanese knotweed, used as a landscape plant Japanese knotweed flowers are valued by some beekeepers as an important source of nectar for honeybees, at a time of year when little else is flowering.

A growth of Japanese knotweed in Ohio’s Cuyahoga Valley National Park.

Community councillors on Seil have challenged Argyll and Bute Council over digging new roadside drainage dykes right in amongst knotweed.

His barrister said there was no way that Mr Henderson could prove that he had a “reasonable belief” that there was no knotweed present at the time he filled in the seller’s forms.

Homeowners need to be particularly wary, as even the slightest presence of Japanese knotweed in the can deter potential future buyers - and even lead to banks refusing a mortgage application.

Nic Seal, founder and managing director of Environet, said: “Japanese knotweed tends to strike fear into the hearts of homeowners.

Spraying or injecting the stems with chemicals can be an effective treatment to stop knotweeds spreading, however it usually takes at least three years to treat Japanese knotweed.

The data shows almost 58,000 instances of Japanese knotweed across the country, with hundreds in Stoke-on-Trent and North Staffordshire.

There are over 50,000 known Japanese Knotweed infestations throughout the UK and plant is notorious for its ability to spread and cause damage to building structures.

Transport for Wales was ordered to pay a pensioner almost £10,000 in damages this year after a 'nightmare' Japanese Knotweed infestation ravaged his home.

When the sale went through in 2018, Mr Henderson “chose to positively assert there was no knotweed at the property and thereby made a misrepresentation”, said Mr Carter.

While Japanese knotweed is a particularly pervasive specimen, environmentalists stressed that invasive species are all too common on the Island, and the average gardener or hiker may not fully understand their ecological threat.

WIDNES has been ranked as one of the worst hotspots in Cheshire for infestations of the destructive and invasive plant Japanese Knotweed.

Would you know how to spot Japanese Knotweed taking root in your garden?

Allan Water Angling Improvement Association (AWAIA) had received a grant of £9238 that year from the Crown Estate to remove hogweed, Japanese knotweed, Himalayan balsalm and American skunk cabbage.

An interactive map has revealed the Japanese knotweed hotspots in and around Clydebank and your area could be one of the worst affected.

As invasive Japanese knotweed spreads, female turtles are forced to travel farther in search of suitable nesting sites, further jeopardizing the species’ survival.

If you buy a house with Japanese knotweed in the winter, it will make its presence known come spring.

Invasive plant specialist Environet has revealed that High Wycombe has seen the most Japanese Knotweed cases in 2024, with 51 incidents so far.