Useful Information on Japanese knotweed

Useful Japanese Knotweed Information

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Here you can find out more information on Japanese knotweed, including legal issues, from various sources.

These links are provided in good faith and we cannot be held responsible for either the link or the information contained within them.

Defra - Department for Environment Food and Rural Affairs

Defra is the UK government department responsible for safeguarding our natural environment, supporting our world-leading food and farming industry and sustaining a thriving rural economy. Together, with other government bodies, they provide information on Preventing Japanese knotweed from spreading.

Japanese Knotweed Alliance

The Japanese Knotweed Alliance is a consortium of partners that funds and oversees a scientific research programme, carried out by CABI, which examines the potential for biological or natural control of Japanese knotweed in Great Britain.

Japanese Knotweed PlantTracker Project

The PlantTracker project is a collaboration between the Environment Agency, Scottish Natural Heritage, the Scottish Environment Protection Agency & Natural Resources Wales. See the distribution of Japanese Knotweed across the UK.

Note: Only verified records appear on the map

The Japanese Knotweed Manual (Packard Publishing)

A book written by Lois Elizabeth Child and Paul Maxwell Wade.

Ragwort Control Act 2003

The Ragwort Control Act 2003 is an Act of the Parliament of the United Kingdom. It provides for the publication of a Code of Practice on Ragwort Control, as common ragwort is considered a harmful weed that can endanger animals..

Prevent Harmful Weeds and Invasive Non-Native Plants Spreading

This is a Guide from the UK Government on how to Stop invasive non-native plants from spreading.

Royal Horticultural Society - Japanese Knotweed

The Royal Horticultural Society's Japanese knotweed information page. It details its appearance, the problems associated with Japanese knotweed, methods of control and other related species.

Japanese Knotweed Recipes

Japanese knotweed is a "thug" according to the Royal Horticultural Society due to how invasive it is. However, it's edible! However, if you feel adventurous, see what recipes online searches can provide you with. If you do decide to cook with Japanese knotweed, please remember how invasive the weed is. See our FAQs page for more information on what not to do.

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