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Video

Horse Chestnut Webinar - September 2021

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00:30:48

Blog

State of the World’s Plants

I had the pleasure of attending a ‘State of the World’s Plants’ symposium in May at Royal Botanic Gardens, Kew. 

Charles Lane  •  14 Aug 2017

Blog

An update on pests and diseases and our plans for 2019

All of the pests and diseases mentioned above emphasise the additional threats to our trees, the continued need for high levels of vigilance and the importance of a tree health early warning system.

Peter Crow  •  23 Jan 2019

Blog

Dynamics of the Horse Chestnut Leaf Miner

Have you noticed that, by mid-summer, the leaves of the Horse Chestnut often have brown splotchy marks making the tree look like it’s in autumn colours already?

Phil Scott  •  16 Sep 2015

Blog

2018 volunteer training days – a summary

We held 11 events across England, Wales, and Scotland from the end of May to the beginning of July.

Charlotte Armitage  •  15 Aug 2018

Blog

Welcoming new associates

One of the strengths of Observatree is the Partnership. We can draw upon the expertise and skills of different organisations in a collaborative effort to help protect our trees, woods and forests from a range of invasive pests and diseases.

Peter Crow  •  27 Jul 2021

Blog

Observatree on the Hunt for Lace Bugs

Observatree volunteers survey the UK for invasive lace bug species every summer. Suzy talks about this project and presents the results!

Suzanne Sancisi-Frey  •  04 Feb 2020

Blog

Along the wayside

Pine processionary moth (PPM) caterpillars present a similar concern as their Oak counterparts. They can weaken trees by defoliation and pose a hazard to public health.

Katie Blain  •  19 Feb 2018