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Diseased trees

Ash dieback disease

Ash dieback disease, Chalara fraxinea, is a serious threat to the health of Ash trees in the UK.

Go to Chalara dieback of Ash on the Forestry Commission website to find out about this disease.

Report dangerous tree pests and diseases

Go to tree alert, on the Forestry Commission website to report Ash dieback, or any other tree pests or diseases. It is important if you suspect a case of the disease you report it immediately; as it results in leaf loss and crown dieback and can result in tree death.

For further information:

View the top tree diseases on the Forestry Commission website.

Use the contact details on the forestry Commission website to telephone or email about them about tree health.