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Blog
Host of the month - Lawson cypress
This month Matt looks at at Lawson cypress (Cupressus lawsoniana) and its associated pathogen, Phytophthora lateralis.
Matt Parratt • 22 Jan 2025
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Blog
Host of the month - Spruce
For our final host of the month this year, Matt Parratt discusses Spruce (Picea species) and Great spruce bark beetle.
Matt Parratt • 18 Dec 2025
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Blog
Host of the month - Plane
For September's host of the month, Matt Parratt explores Plane trees, Plane lace bugs and Canker stain of plane.
Matt Parratt • 20 Aug 2026
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Blog
Observatree Network Groups
Observatree is a national network of volunteers surveying tree health and acting as an early warning systems for tree health in the UK. A key way our volunteers and staff keep in contact is through the network groups in our forum.
Charles Lane • 13 Jul 2020
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Blog
A new collaboration as part of the UK Garden Sentinel Network
As Observatree continues to establish collaborative networks, we recently teamed up with the Botanic Gardens Conservation International (BGCI) and PlantNetwork to help raise awareness of tree health in wider audiences and promote surveillance and reporting by more people.
Peter Crow • 26 Apr 2024
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Blog
Host of the month - Maple
This month Matt Parratt delves into the world of Maple trees, Asian longhorn beetle and Citrus longhorn beetle.
Matt Parratt • 19 Sep 2025
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Blog
Host of the month - Oak
Oak is this months host tree of interest, and so Matt Parratt delves into the world of Acute oak decline (AOD) in this months blog post.
Matt Parratt • 19 Mar 2026
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Blog
Emerging pests and diseases and their suitability for citizen science surveillance
A review of new and emerging pests and diseases.
Charles Lane • 01 May 2024
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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
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Blog
Observatree volunteers are helping to unravel complicated relationships between Curreya pithyophila and Scotland’s national tree
Dr Flora Donald, a Tree Health Policy Officer at Scottish Forestry, explains how Observatree volunteers are helping to unravel the mysterious issue of Curreya pithyophila in Scotland.
Dr Flora Donald • 20 Aug 2025