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What’s this fungus growing on my tree? Is it killing the tree and making it unsafe?

 23/11/2015    Last Modified: 04/02/2016

If your tree is showing symptoms of ill health, which may be related to pest or disease, cultural or other reasons, you can send samples to the following organisations for analysis. Or consider engaging the service of an Arboricultural Association Registered Consultant or Approved Contractor. Please note: charges apply for these services.

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The Forestry Commission and its tree health diagnostic and advisory service, Forest Research, offer analysis of and advice on tree health and related matters.

Tree Health Diagnostic and Advisory Service
Download the 'Report of tree problem for diagnosis' form

Analysis is also available from the Bartlett Tree Expert Research Laboratory:

Tree, unsafe, disease, fungus, health, pests