As the weather warms up, the invasive plant begins to emerge - and it can cause a lot of damage if left unchecked ...

For a highly invasive plant, Japanese knotweed looks unassuming. With green bamboo-like stems, spade- or heart-shaped leaves and, in late summer, clusters of white or pale green flowers, Japanese ...

But some of those plants might be more of a menace than a garden beauty, including the infamous Japanese knotweed. The ...

The herbicide glyphosate, touted as the most effective treatment for controlling knotweed, is one of the most well-studied chemicals, experts say. Scientific data does not support claims that ...

Soil or plant material contaminated with non-native and invasive plants like Japanese knotweed can cause ecological damage ...

When it was introduced to Europe in the mid-19th century as an ornamental plant, Japanese knotweed, known as Reynoutria japonica var japonica, quickly went rogue. Despite not being native to the ...

With its ability to grow through asphalt and structural material, survive up to 20 years in total darkness and uproot the foundation of homes, Japanese knotweed (Fallopia japonica) could be the ...

Rising Japanese knotweed warning across the UK in 2026 leaves homeowners facing legal risks and costly damage – learn the ...

Welcome to the Swampscott Conservation Commission’s first bulletin. We intend to occasionally issue bulletins to keep residents and business up to date on issues relating to the Commission’s work in ...