Last updated: May 2026 by Oakwilt.org ISA Certified Arborists serving Lake Decatur, TX.
Our locally owned tree care team has been treating sick oaks and shade trees in Lake Decatur, TX for over a decade. Bilingual service in English and Spanish, fully insured, and no hidden fees on any ISA arborist consultation. Schedule a free consultation and let an arborist walk your property in person.
Our family-owned, locally-based tree care company is devoted to battling Sick Trees and the lethal tree disease known as oak wilt using ISA Certified Arborist and Tree Doctors in Lake Decatur, TX!
Oak wilt is a deadly fungal disease that affects oak species in Lake Decatur, TX, and Surrounding Cities in North Texas. The fungus travels through oak root systems and can kill trees within weeks or months of infection. Prevention of oak wilt is key to helping protect the oak species in Lake Decatur, TX.
Oak Wilt Prevention in Lake Decatur, Texas
Oak wilt is a disease caused by a fungus (Bretziella fagacearum) that affects oak trees, mostly those in the red oak group such as Texas red oak and black oak. This fungus invades a tree’s root system, blocking off the vessels that carry vital nutrients and water throughout the tree. Oak wilt causes the leaves to yellow and then brown, and then drop from the tree. In severe cases, it can kill a tree in as little as two weeks.
Treatment of Oak Wilt
Oak wilt is a common problem in Lake Decatur, Tx, and is spread primarily by sap-feeding beetles or through underground root grafts between unhealthy and healthy trees. Other factors that can contribute to the spread of oak wilt include construction activities, heavy rains, and pruning overgrown oak trees.
Prevention of Oak Wilt
The most effective way to prevent oak wilt is by keeping your oaks healthy and following good cultural practices.
- Ensure that your oaks are adequately watered, especially during drought periods. Oaks can be affected by drought more quickly than other trees.
- Prune trees only when necessary and avoid pruning during the spring and summer months when beetle activity is highest.
- Remove dead and dying wood and limbs that may be home to the sap-feeding beetles which spread the disease.
- If possible, create a 30-foot barrier zone around your oaks by only planting compatible species.
- Consult with a certified arborist if your trees need work and follow their recommendations.
- If you do experience an oak wilt infection in your landscape, contact a certified arborist for assistance.
Being aware of the signs and symptoms of oak wilt and taking the necessary steps to protect your oaks can save you a lot of time, energy, and money in the long run. By following these above tips, you can help protect your Lake Decatur, TX, oaks from this devastating tree disease.
Tree Care Services in Lake Decatur, TX

- ISA Certified Arborist
- Disease & Fungus Management
- Live Oak & Post Oak Treatment
- Plant Health Care Services (PHC)
- Oak Wilt Treatment
- Tree Care
- Tree Disease Treatment
- Tree Doctor Consultation
- Tree Fertilization & Nutrition
- Tree Health Injections
- Tree Insect Management
- Tree Maintenance
- Tree Mulching
- Tree Pest Control
- Tree Surgeon
- Sick Trees
Tree Disease Treatment in Lake Decatur, TX
We provide Tree Disease Treatment Services in Lake Decatur, TX, for both your residential and commercial properties.
- Actinopelte Leaf Spot: Known as Tubakia, this may occur in many oak tree varieties; however, it is most frequently seen in red oak trees.
- Anthracnose: This is a type of fungal disease that affects trees and shrubs.
- Bacterial Leaf Scorch: Unsightly spots appear on oak tree foliage that looks as if the leaves on your oak tree have been burned. Laboratory testing is needed for definite confirmation.
- Crown Gall: can range from small, wart-like growths to large, woody masses that can seriously damage or kill the infected plant.
- Dutch Elm Disease: Dutch elm disease is a serious fungal disease that affects elm trees, particularly American elm trees.
- Hypoxylon Canker: Trees that are already unhealthy and weak are prime targets for this hazardous, deadly fungal tree disease.
- Leaf Disease Outbreaks Across Texas: Excessive rainfall and cooler-than-average temperatures during the spring season can trigger fungal oak leaf disease outbreaks.
- Oak Leaf Blister: Most oak tree varieties are susceptible to invasion by this fungal disease that causes raised, circular spots on oak foliage during cooler spring weather.
- Oak Wilt: is a destructive tree disease that mostly affects Red and Live Oaks.
- Sudden Oak Death: First reported in 1995, this rapid-spreading deadly tree disease is caused by a water mold pathogen. It has destroyed millions of oak trees throughout Texas.
- Rapid Oak Decline: Weather extremes such as drought or heavy rainfall have made Savannah post oak trees vulnerable to root rot, cankers, and wood-boring insects.
If you have sick trees or tree disease on your property in Lake Decatur, TX, contact us today to talk to a Tree Doctor!
Certified Arborist That Treats Tree Disease and Sick Trees
Contracting a licensed, Arborist is vital to inspecting sick trees and preventing tree disease on your property.
If Oak Wilt is identified, fungicides are available through macro infusion and injections to help minimize spread.
Call us today to talk to our Tree Doctors in Lake Decatur, TX, at (817) 799-7808 and schedule your free consultation with our ISA Certified Arborist and tree care expert!

