Tag Archives: Japanese Knotweed treatment

First stems of Japanese knotweed seen in 2019

This is the first stem of Japanese knotweed I have seen this year. It’s a bit too early to start to treat it, but clearly it’s going to be a growing year after the mild winter we have just had!


Japanese Knotweed Hotspots Revealed!

An interactive map has recently been created revealing hotspots around the South East where Japanese knotweed has been identified. Read more here: https://www.newsshopper.co.uk/news/17444080.exposed-heatmap-shows-japanese-knotweed-hotspots-in-se-london/?sfns=mo

Science and Technology Committee holds session on Japanese Knotweed

The Science and Technology Committee has held its anticipated session on Japanese knotweed and its impact on the built environment.

The sessions were broken into two parts. Firstly, focusing on the scientific evidence around the impact of Knotweed; and then secondly focusing on the response of bodies with an interest in the area. Read more on the PCA view here: https://www.property-care.org/hodgsonview-select-committee-knotweed/

Large Infestations of Japanese Knotweed

Treating large infestations of Japanese knotweed does take time. Using stem injections six months later can have some good initial effect, but still requires long term monitoring.  (Yes for those keen eyes there is more Japanese knotweed in the background of the second photo! At this visit requested not to treat it, which is why monitoring is also so important to control the activity of the plant.)