The following are links to common pests, diseases, and sources of environmental damage that may affect tree health. If you have had a tree planted as part of LEAF’s Residential Planting Program and are concerned about its health, please fill out our Request Arborist Advice form.
- Emerald Ash Borer
- Asian Long-Horned Beetle
- Common Diseases & Treatments
- Common Pests & Organic Controls
- Common Signs & Symptoms of Environmental Damage
- Tips for Selecting a Qualified Tree Care Company
- Top 10 Things to Do for Your Trees