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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 - Sweet chestnut
Matt Parratt takes a look at Sweet chestnuts, and explains their issues with Oriental chestnut gall wasp, and Sweet chestnut blight.
Matt Parratt • 16 Oct 2025
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Blog
On the Road with Observatree: Science Day Highlights
Ever wondered what happens after you submit a TreeAlert report? This Autumn at our Science Day events, our volunteers got an exclusive peek behind the scenes - and the discoveries were fascinating! Vicky Bolton, the Citizen Science Officer for Observatree, summarises the highlights for us.
Vicky Bolton • 13 Nov 2025
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Host of the Month: Elm and Elm Zig Zag Sawfly - June 2025
PDF • 1.28 MB
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Host of the Month: Sweet Chestnut, OCGW and Chestnut Blight - November 2025
PDF • 1.60 MB
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Host of the Month: Ash, Ash Dieback and Emerald Ash Borer - December 2025
PDF • 1.32 MB
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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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Returning to a tree
Video • 00:13:56
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Site and setting
Video • 00:11:49
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Asian/citrus longhorn beetle training video
Video • 00:12:08