Japanese knotweed Downloads

Invasive Weed Downloads

We aim to provide information about specific weeds; how to identify them, the type or damage they are likely to cause and how to manage them.


Below are guidelines listed by plant type which you may find useful:


Japanese Knotweed - Click for Guidelines

Giant Hogweed- Click for Guidelines

Himalayan Balsam- Click for Guidelines

Common Ragwort- Click for Guidelines

Floating Pennywort - Click for Guidelines

Parrot's Feather - Click for Guidelines

Giant Knotweed - Click for Guidelines

Devil's Apple - Click for Guidelines

Horsetail - Click for Guidelines


We currently have a wide range of information available for immediate download from this page, please click on the relevant link below:


The Guide to Japanese Knotweed


IVM Services Downloads


IVM 'FAST' System

IVM Supervised Excavation Technology


Invasive Weed Information Downloads


Japanese Knotweed Information

Giant Hogweed Information

Himalayan Balsam Information




March 2021

April 2021

May 2021

June 2021

August 2021

September 2021

October 2021

November 2021

December 2021

Janaury 2022




Invasive Vegetation Guidelines & Downloads from IVM