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Observatree associates

We work with organisations that recognise the importance and implications of tree health.

Blog

Investigation into the causes of Alder mortality in Scotland

Plant Health & Biosecurity Scientist at The Royal Botanic Gardens Edinburgh, Matt Elliot, discusses the decline of Alder trees (Alnus glutinosa) in Scotland. 

Matt Elliot  •  12 Feb 2026

Blog

Host of the month - Elm

This month Matt Parratt looks at elms (Ulmus species) and Elm zigzag sawfly (Aproceros leucopoda).

Matt Parratt  •  21 May 2026

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