• By Elevation Tree Service
• January 29th, 2025

Trees are a vital part of the landscape, providing shade, beauty, and environmental benefits. However, pests and diseases can threaten their health, causing stress, decay, and even tree loss. Being proactive in identifying and addressing these issues can help maintain the longevity of your trees and protect your property.

Common Tree Pests in Southern Ontario

Several pests pose significant threats to trees in the region. Here are some to watch for:

1. Emerald Ash Borer (EAB)

   • This invasive beetle attacks ash trees, leading to canopy dieback and tree death if left untreated.

2. Gypsy Moth

   • These caterpillars strip trees of their foliage, weakening them and making them more susceptible to disease.

3. Asian Longhorned Beetle

   • This pest infests hardwood trees such as maple, causing severe internal damage.

4. Aphids

   • Small but destructive, aphids suck sap from leaves and stems, leading to leaf curling and reduced growth.

Common Tree Diseases in Southern Ontario

Fungal and bacterial infections can also impact tree health. Here are a few prevalent diseases:

1. Dutch Elm Disease

   • A fungal disease spread by elm bark beetles, leading to leaf wilting and tree decline.

2. Oak Wilt

   • A fatal disease affecting oak trees, causing rapid leaf discoloration and tree death.

3. Apple Scab

   • A fungal disease affecting apple and crabapple trees, leading to leaf spots and premature defoliation.

4. Cedar Rust

   • Affects cedar, juniper, and apple trees, causing orange fungal growths and defoliation.

How to Protect Your Trees

Prevention and early intervention are key to keeping trees healthy. Follow these steps to safeguard your trees:

1. Regular Health Assessments

   • Schedule routine tree inspections with a certified arborist to detect early signs of pests and disease.

2. Proper Pruning and Maintenance

   • Removing weak, diseased, or infested branches helps stop the spread of pests and infections.

3. Soil and Root Care

   • Healthy soil promotes strong tree growth. Regular fertilization and mulching can improve soil conditions.

4. Integrated Pest Management (IPM)

   • Use eco-friendly treatments, biological controls, and preventative sprays to manage pests effectively.

5. Immediate Action for Infestations

   • If you notice signs of tree pests or diseases, contact a professional tree service immediately to develop a treatment plan.

Trust Elevation Tree Service for Expert Tree Care

At Elevation Tree Service, we specialize in diagnosing and treating tree health issues. Our certified arborists use industry-leading techniques to protect trees from pests and diseases, ensuring their long-term vitality.

If you suspect your trees are affected by pests or disease, don’t wait until it’s too late. Contact Elevation Tree Service today for a professional consultation and keep your trees thriving for years to come.