Top Tree Diseases in North Texas
Several diseases affect shade and ornamental trees in our area. Knowing what you’re up against is the first step in keeping your trees healthy.
Oak Wilt
- Pathogen: Bretziella fagacearum (fungus)
- Hosts: Red oaks, live oaks
- Transmission: Sap-feeding beetles, root grafts
- Symptoms: Leaf browning, sudden leaf drop, vascular discoloration
- Risk: High, can kill red oaks within weeks
Anthracnose
- Pathogen: Several fungi (e.g., Gloeosporium spp., Discula spp.)
- Hosts: Sycamores, maples, oaks
- Symptoms: Irregular brown blotches on leaves, curling, twig dieback, early leaf drop
- Risk: Moderate, recurring infection weakens trees over time
Root Rot
- Pathogen: Phytophthora, Armillaria, and others
- Cause: Overwatering, poor drainage
- Symptoms: Wilting despite wet soil, leaf yellowing, dieback, mushrooms at base
- Risk: High, undetected root decay can lead to tree collapse
Leaf Spot
- Pathogen: Various fungi and bacteria
- Symptoms: Dark, round spots on leaves; premature defoliation
- Risk: Low to moderate, but recurring infections stress the tree and reduce aesthetics
Trees Hurt Too Inc. offers professional tree care services to identify and treat each of these diseases with precision and safety.
Warning Signs to Watch For
Some symptoms are obvious, while others are easy to overlook. Keep an eye out for:
- Sudden or premature leaf drop
- Unseasonal wilting or discoloration
- Dead branches or thinning canopies
- Fungal growth near the trunk or roots
- Bark peeling or cracking
- Soggy or compacted soil around the tree base
If you notice any of these, schedule an inspection immediately. Timely intervention, such as tree injection treatments, can stop many infections in their tracks and help your tree recover.
Why Tree Diseases Spread in Arlington
Environmental factors in North Texas contribute to the spread of disease:
- Clay-heavy soil traps moisture, fostering root rot
- Erratic rainfall alternates between flooding and drought stress
- High summer humidity encourages fungal spore growth
- Dense canopies and overplanted lots limit airflow, trapping moisture
- Improper pruning and tree wounds provide easy entry for pathogens
Prevention Tips
While not all diseases are preventable, you can significantly reduce the risk by following these best practices:
Improve Soil Health
- Aerate compacted soils to improve drainage and oxygen flow
- Add organic mulch (but avoid piling against trunk)
- Conduct periodic soil testing to address nutrient deficiencies
Prune Responsibly
- Prune only during dormant seasons unless removing dead wood
- Sanitize tools between cuts to prevent cross-contamination
Manage Moisture
- Water deeply and less frequently to encourage deep root growth
- Avoid sprinkler systems that wet foliage excessively
- Consider moisture management solutions to balance hydration and prevent rot
Monitor Trees Regularly
- Inspect trees monthly for visual changes
- Look under the canopy and at the soil line for hidden symptoms
When to Call a Tree Care Specialist
You should call a professional arborist if:
- You observe more than 25% canopy loss
- Fungus or mushrooms are growing at the trunk base
- The tree is leaning or showing signs of root instability
- There’s unexplained leaf browning, curling, or defoliation
Trees Hurt Too Inc. provides expert diagnostics, including pathogen testing and site evaluation. Based on the diagnosis, we may recommend:
- Fungicide or bactericide treatments
- Tree injections
- Soil amendments and moisture correction
- Crown thinning or structural pruning
Protect Your Trees Year-Round
Trees are one of the most valuable parts of any landscape, providing shade, privacy, and beauty that enhances your property’s overall value. However, once disease or stress takes hold, the damage can progress rapidly; sometimes beyond recovery. The secret to long-term tree health lies in proactive management, including consistent monitoring, proper nutrition, and tailored tree and shrub care that adapts to the changing North Texas climate. At Trees Hurt Too Inc., our certified arborists understand the unique challenges that trees face in Arlington and the surrounding Tarrant County area. From heavy clay soils with poor drainage to extreme temperature shifts, we know how local conditions impact root health and overall vitality. Our team applies proven soil moisture solutions to balance hydration levels, prevent waterlogging, and encourage strong root systems; essential steps in maintaining lush, resilient trees and shrubs year-round. We provide a comprehensive approach to plant health, offering:- Accurate disease detection and treatment for fungal, bacterial, and insect-related issues
- Custom fertilization and soil health programs designed to enhance nutrient uptake and root development
- Seasonal tree and shrub care plans that include pest control and moisture management strategies
- Advanced soil moisture solutions to optimize irrigation efficiency and protect trees during drought or heavy rain
Schedule a Tree Health Evaluation
Don’t wait until your tree is in decline. Contact Trees Hurt Too Inc. today to schedule a comprehensive tree health inspection. Whether you’re concerned about leaf spots, oak wilt, or root rot, we’ll create a tailored full service lawn and ornamental package to restore health and protect your landscape.
Explore our full range of tree care services, including tree injections and moisture management for long-term protection.



