Search Observatree

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

Blog

Host of the month - Beech

Matt Parratt highlights Beech (Fagus sylvatica), its associated Beech leaf disease (BLD) and how to spot it.

Matt Parratt  •  19 Jun 2025

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

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

Pests and diseases

Canker Stain of Plane

Plane wilt is a fungal disease that affects plane trees. Usually fatal, plane wilt can kill trees within two to five years.

Tree health

The importance of biosecurity

Good biosecurity practice can reduce the risk of introducing or spreading pests, diseases and invasive species.