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Blog

Ash Dieback in the National Trust

 Ash is one of our most important tree species both ecologically and culturally, and is generally considered to be the third most common tree in British woods, comprising around 12% of woodland tree cover. 

Luke Barley  •  23 Aug 2021

Blog

A record-breaking 2019 and new developments for 2020

2019 was a record-breaking year for the project, with almost 4400 tree health reports submitted by our volunteers.

Peter Crow  •  20 Jan 2020

Blog

Observatree show on the road!

Two weeks, two events, two firsts and one joined up message.

Peter Crow  •  11 Jun 2019

Blog

Oak powdery mildew - what's all the fuss?

Find out more about what causes powder to cover oak leaves in late summer.

Elsa Field  •  16 Jul 2017

Blog

Negative data is good!

One of the key messages we give Observatree volunteers is that you don’t have to find something to make a survey worthwhile or valuable.

Ellie Barham  •  08 Mar 2017

Video

Induction Two: Tree Health Surveying

Our second induction webinar for 2022, tree health surveying covers site selection, tree health data, and survey forms. A fundamental introduction to conducting tree health surveys for Observatree. Presented by Rebecca Gosling, Woodland Trust.

01:08:23

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