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Host of the month - Oak

Matt Parratt discusses Oak (Quercus species) and Acute oak decline. 

Matt Parratt  •  20 Mar 2025

Blog

Host of the month - Plane

This month Matt Parratt delves into the world of Plane trees, Plane lace bugs and Canker stain of plane (formerly known as 'Plane wilt').

Matt Parratt  •  21 Aug 2025

Blog

From Lens to Lab: The Power of Photography in Tree Disease Identification

David McKellar discusses the importance of photography in our diagnostic process and offers some guidelines for using our TreeAlert system to report suspected tree pests and diseases.

David McKellar  •  22 Aug 2024

Blog

2017 Training Observatree volunteers

Despite the best efforts of Storm Doris, Observatree year four volunteer training days ran smoothly over the course of February and March. 

Suzanne Sancisi-Frey  •  03 Apr 2017

Blog

10 highlights from the past 10 years of Observatree

Professor Nicola Spence, Chief Plant Health Office at Defra, reflects on 10 achievements and successes from the first 10 years of the ground-breaking Observatree initiative. 

Nicola Spence  •  01 Oct 2023

Blog

Pine Processionary Moth: Assessing the threat

PPM are spreading further north across Europe but are not established in the UK. We discuss the signs and symptoms to look out for.

Fritha West  •  31 Mar 2022

Blog

State of the World’s Plants

I had the pleasure of attending a ‘State of the World’s Plants’ symposium in May at Royal Botanic Gardens, Kew. 

Charles Lane  •  14 Aug 2017