Plant pests and disease guide

Guidance on the plant pests and diseases that are of a significant risk to Scotland.

Phytophthora are a large group of fungus-like pathogens which attack a range of trees, shrubs and heathland plants and have the potential to cause significant damage in gardens, woodlands and the wider environment.  

Phytophthora ramorum and kernoviae on the UK Plant Health Portal

Further information on phytophthora including signs of disease, current outbreaks and contingency planning on the UK Plant Health Portal.

If you suspect this disease

Contact the Scottish Government’s Horticulture and Marketing Unit by email:


If you suspect that a plant pest or disease is present on your premises, please contact us for advice at

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