The world's largest field trial on the control of Japanese knotweed, conducted in Wales, has found that eradicating the plant is not possible. Researchers from Swansea University have carried out ...

David Layland, the joint managing director of Japanese Knotweed Control, based in Stockport, says it is the only thing that works. "Once we inject into it, it transfers into the root system pretty ...

Homeowners have been warned to look out for Japanese knotweed when viewing potential new properties as the invasive plant is ...

Considering how problematic Japanese knotweed is ... Therefore, most successful knotweed eradication programs involve some use of herbicides. While Imazapyr-based herbicides are relatively ...

Japanese knotweed is known for its large leaves that grow in a heart or shovel shape - but when winter comes the plant sheds ...

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

Japanese knotweed, a terrestrial herbaceous plant that is in the Polygonaceae family, invades along rivers, streams, roads, and in disturbed areas or where dumped. It prefers full sun and rich soils ...

Japanese knotweed is invasive in the US but has visually appealing foliage, blooms, and unique seasonal changes. The plant is ...

"With preferred control methods continuing to include ... officers also suggested treating high risk areas of Japanese knotweed to members, at a cost estimated to be worth around £110,000 per ...

A gardening expert has warned green-fingered Brits about invasive species that could wreak havoc in their gardens, spreading as rapidly as the notorious Japanese knotweed. A variety of non-native ...