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Experiencing a problem with a tree or shrub? Explore our expert tree advice and resources.

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Ambrosia beetles technical report

Bacterial Leaf Scorch

Beech leaf disease

Brittle cinder fungus

Drought and landscape plants

Growth Regulation of Trees Residential Landscape

IPM for landscape plants

Landscape protection from boxwood blight

MoniTor® Rx IPM program

Mulch application guidelines

Phytophthora root and collar disease with lists

Relative tolerance of tree species to construction damage

Seiridium canker

Spotted lanternfly technical report

Verticillium wilt on woody landscape plants

Technical report

Canker and Leaf Spot of European Hornbeam

In recent years, a pattern of diseased European hornbeam (Carpinus betulus) has been …

Tree diseases

Tips

Iron Deficiency

Soil lacking in iron adversely impacts tree health. A common symptom is yellowing between the veins of leaves.

FAQ

How do I stop a woodpecker from damaging my maple tree?

It’s generally not recommended to fill cavities in trees. Filling can trap moisture, promote decay, and obscure hidden...

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Asian longhorned beetle

Learn about Asian longhorned beetle

Insects and pests

Disease

Boxwood blight

Learn about Boxwood blight

Tree diseases

Tree Species

European Beech

Many cultivars of European Beech exist with red, purple, variegated, and cut leaf foliage, weeping and fastigiate...

General information

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Expert knowledge hub

Featured resources

Canker and Leaf Spot of European Hornbeam

Iron Deficiency

How do I stop a woodpecker from damaging my maple tree?

Search resources by type

Quickly find the most useful resources by type

Technical reports

Insects and pests

Tree diseases

Tree species

Tips

FAQs

Brochures

Asian longhorned beetle

Boxwood blight

European Beech

Browse resources by category

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Tree Tips newsletter

Subscribe to our seasonal Tree Tips newsletter

Tree Tips newsletter

View the latest issue of Tree Tips

Tree Tips archive

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