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Observatree 2022 breaks all records!

Throughout the year, Observatree volunteers submitted 4899 tree health reports. Our best year to date. Not only that, volunteers also submitted the most pest and disease reports, they surveyed the most tree species in a single year and monitored the most sentinel trees.

Rebecca Gosling  •  21 Mar 2023

Video

Host of the Month Beech - July 2023

Join us to learn about Beech ID and associated pests and diseases.

00:21:25

Pests and diseases

Acute oak decline

Affects mature oak trees across the UK. Thought to be caused by a bacterium causing oozing of dark fluid from cracks in the bark.

Pests and diseases

Citrus Longhorn Beetle

A non-native pest which is extremely damaging to a wide range of broadleaved trees and shrubs.

Pests and diseases

Horse Chestnut Leaf Miner

First observed in Macedonia and now widespread across Europe, the larvae of the horse chestnut leaf miner bores within the leaves.

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Privacy policy

Observatree's Privacy Policy - prepared in accordance with the requirements of the General Data Protection Regulation

Blog

Host of the month - Lawson cypress

Kicking off our host of the month initiative for 2026, Matt Parratt takes a look at Lawson cypress (Cupressus lawsoniana) and Phytophthora lateralis.

Matt Parratt  •  22 Jan 2026

Blog

Join the Observatree Adventure

We are recruiting volunteers! Observatree Officer, Vicky Bolton, gives us an insight into what life for a new Observatree volunteer is like. 

Vicky Bolton  •  05 Feb 2026