Giant knotweed, a terrestrial herbaceous plant in the Polygonaceae family, invades along waterways, roads, forest openings, and disturbed sites where dumped. Key characteristics of this invasive ...

Japanese knotweed, a terrestrial herbaceous plant that is in the Polygonaceae family ... that are hollow like bamboo spade-shaped leaves with pointed tips and flat bases that are smaller than the ...

Giant Hogweed Although the ... Japanese Knotweed You may have heard of knotweed from its particularly negative reputation as ...

IRISH homeowners are being warned about an "invasive" plant species that could cost ... warned that Japanese Knotweed may grow and spread this time of year. Listed by the World Conservation ...

An invasive plant species which have a serious effect on mortgage applications has had more than 1,200 reported sightings across East Lancashire. Japanese knotweed is a weed that can cause damage ...