Observatree Blog
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Blog
Do we still need to record and report Chalara dieback of Ash?
Matt Parratt discusses the prevalence of Chalara dieback of Ash and offers some guidance on reporting this widespread disease.
Matt Parratt • 27 Nov 2025
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Blog
Host of the month - Ash
Matt Parratt takes a close look at Common ash, Chalara ash dieback, and Emerald ash borer.
Matt Parratt • 20 Nov 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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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
Oak powdery mildew – update on what’s all the fuss about?
Charles Lane gives us an update on what all the fuss is about when it comes to Oak Powdery Mildew.
Charles Lane • 22 Sep 2025
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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 - 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
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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
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Blog
On the Road with Observatree: Summer Training Highlights
Following a wonderful summer season of training, Vicky Bolton, the Citizen Science Officer for Observatree, summarises some of the highlights for us.
Vicky Bolton • 14 Aug 2025
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Blog
Host of the month - Pine
Observatree Scientific Coordinator Matt Parratt discusses Pines (Pinus) and Dothistroma needle blight (DNB).
Matt Parratt • 09 Jul 2025