How to stop Japanese knotweed from spreading
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How to identify, stop the spread and dispose of Japanese knotweed in England.
Adapted edition
- Document type
- Reference Guide
- Format
- DOCX
- Pages
- 5
- Language
- English
- Version
- 1.0
- Updated
- 2026-09-17
- Category
- Safety & operations
- Licence
- Open Government Licence v3.0
Description
How to identify, stop the spread and dispose of Japanese knotweed in England. Consult the original guidance for current legal and operational details.
Contents
- How to identify Japanese knotweed
- Where knotweed grows
- How knotweed spreads
- If you have knotweed on your land or property
- How to stop knotweed spreading
- Spray with chemicals
- Bury it
- Burn it
- Companies that specialise in treating knotweed
- How to dispose of Japanese knotweed off site
- After you transfer Japanese knotweed waste
- Contact the Environment Agency
Source and licence
Environment Agency
AttributionEnvironment Agency, ‘How to stop Japanese knotweed from spreading’ (updated 12 February 2026), reused under the Open Government Licence v3.0.
ChangesNeutral text-only adaptation from the official GOV.UK Content API body: headings, paragraphs, ordered and unordered list items and clickable source-link destinations in an appendix preserved. Images, logos, page design, accessible-format request widgets and linked attachments excluded; normalised whitespace, invisible format marks and typography.
Version history
- v1.017/09/2026