Japanese knotweed stems look a lot like bamboo canes,' he explains, pointing out that they are hollow and can grow up to 2-3 metres in height. 'You'll also find the clusters of creamy white ...

Japanese knotweed is invasive in the US but ... Reynoutria japonica is admired for its attractive appearance, hollow stems, ...

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 has a distinctive shape and colour, with small cream flowers that erupt in the autumn before leaving reddish stems that look very similar to bamboo shoots. Its leaves are ...

A SOCIAL housing construction project at Brews Hill in Navan was held up for almost a year to treat Japanese knotweed that ...

Key characteristics of this invasive species include: grows to be 12 feet tall with hollow stems resembling bamboo has broad heart-shaped to spade-shaped leaves that are larger than your hand, and ...

In Minnesota two species of knotweed have been identified: Japanese knotweed (Polygonum ... Knotweed’s hollow, segmented stems look similar to bamboo and are green from spring to fall and ...

They can also stray into outbuildings and some, such as Japanese knotweed, can damage homes as ... which grow in a zigzag pattern along the stem make it easy to identify. It flowers in August ...