Tree Health Articles

What’s Eating My Holly Leaf?

What’s Eating My Holly Leaf?

The Holly Leaf Miner (Phytomyza ilicis) is a tiny fly that lives in close association with holly plants (Ilex spp.). Although often regarded as a garden pest due to the visible trails it leaves on holly leaves, this insect also plays an important role in the...

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Why Do Trees Lose Their Leaves?

Why Do Trees Lose Their Leaves?

Each autumn, trees across the Northern Hemisphere - especially here in the UK - undergo a spectacular transformation. Their vibrant green foliage shifts into a kaleidoscope of colors: fiery oranges, golden yellows, deep reds, and even regal purples. This phenomenon,...

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Tree Fungi: The Shaggy Bracket Fungus

Tree Fungi: The Shaggy Bracket Fungus

The Shaggy Bracket Fungus is also known as Inonotus hispidus Inonotus hispidus, commonly known as the shaggy bracket fungus, is a perennial fungus belonging to the family Hymenochaetaceae. It is primarily recognized for its distinctive appearance and its ecological...

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The Horse Chestnut Leaf Miner: A Comprehensive Overview

The Horse Chestnut Leaf Miner: A Comprehensive Overview

The Horse Chestnut Leaf Miner (Cameraria ohridella) is a small moth that has become a significant pest of horse chestnut trees (Aesculus hippocastanum) in Europe. First identified in North Macedonia in the late 1980s, this invasive species has since spread across the...

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Squirrel Damage to Trees in the UK: An Overview

Squirrel Damage to Trees in the UK: An Overview

Squirrels, particularly the invasive grey squirrel (Sciurus carolinensis), are a notable cause of damage to trees in the UK. Introduced from North America in the late 19th century, grey squirrels have proliferated, often to the detriment of both native wildlife and...

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Ash Dieback’s Introduction and Spread in the UK

Ash Dieback’s Introduction and Spread in the UK

In the serene landscapes of the United Kingdom, a silent and insidious threat has been quietly making its presence known—Ash Dieback disease. This devastating fungal infection, caused by the pathogen Hymenoscyphus fraxineus, has cast a shadow over the nation's ash...

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How Do Trees Help The Environment?

Trees mark the paths we take in more ways than one: traditionally used as markers when seeking direction, they also have roots in people’s lives, whether it’s a poplar used as a natural climbing frame, the willow in a wedding photograph or an oak planted in...

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