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Pests and diseases

Find trusted information on tree health threats, from pest and disease identification to management advice, reporting guidance and the latest research.

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Browse the database

Explore our comprehensive database of tree pests and diseases affecting the UK’s forests, woodlands and trees. Browse species profiles, identify symptoms, learn about distribution and impacts, and find guidance on reporting, management and biosecurity measures.

Explore pests and diseases

Ash dieback (Hymenoscyphus fraxineus)

Ramorum disease (Phytophthora ramorum)

EU Exit and tree and forestry pests and diseases

Learn about plant health regulations, trade requirements and official sources of advice following the UK’s exit from the EU.

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