Postcode Search

Diseases affecting trees

Ash trees - Important Information

If you consider that your Ash tree is suffering from Ash dieback, please follow the guidance below.

The Forestry Commission/DEFRA have a dedicated helpline to receive all public reports of Ash Dieback sightings:

Helpline: 0845 933 5577

If you wish to e-mail details, please include your name and address, location of the tree and if possible photographs of the tree (this will help the forestry commission to get a quicker diagnosis). E-mail:

The Forestry Commission has all the details relating to symptoms on their website here:  Forestry Commission - Chalara dieback of ash (Hymenoscyphus fraxineus).

Acute Oak Decline - Information

This condition can kill a tree in as little as four or five years. It has been found affecting hundreds of trees across central and south-east England and parts of Wales, Symptoms include dark fluid bleeding from splits in the bark on tree trunks, and as affected trees approach death there is a notable deterioration of the canopy, or tree tops, and 'dieback' of the branches

The Forestry Commission has information relating to Acute oak decline including area of outbreak, symptoms, advice and guidance and reporting suspected cases on their website Forestry Commission - Acute oak decline.

arrowThe Forestry Commission arrowNatural England arrowThe Environment Agency arrowThe Tree Council