Last updated: May 2026 by Oakwilt.org ISA Certified Arborists serving Winona, TX.
Property owners across Winona, TX trust Oakwilt.org to keep their oaks alive. We handle the full range of tree health issues — tree disease management, fall webworm and oak leaf roller infestations, deep-root fertilization and more. Free quote, no pressure: see for yourself why neighbors choose Oakwilt.org.
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 Winona, TX!
Oak wilt is a deadly fungal disease that affects oak species in Winona, 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 Winona, TX.
Oak Wilt Prevention in Winona, Texas
Oak wilt is a devastating fungal disease affecting many species of oaks, particularly red oaks, in the Winona area in Texas. The pathogen that causes oak wilt, Ceratocystis fagacearum, is native to Texas and widespread throughout the United States. Oak wilt spreads quickly within affected oak stands and can kill hundreds of trees in just a few weeks.
Signs of Oak Wilt in Winona, TX
Oak wilt begins to affect trees by producing visible symptoms on the leaves. Leaves become yellowish-green or bronze in color, curl and may be covered with small dark spots. Fungal mats may form and exude a sap-like fluid on the bark and twigs. Large branches may dieback or slowly decline over several years, with the tree eventually dying.
Avoid Pruning During Spring and Summer
Preventing the spread of oak wilt is the best way to help protect valuable healthy trees in the Winona, TX area. To prevent oak wilt, avoid pruning, wounding, or disturbing oaks from February to June. Pruning wounds provide an entry point for the fungus, which is spread to healthy trees by beetles and other insects. Also, never transport firewood or oak pieces from one place to another. If you do have to prune or wound an oak tree, it is important to thoroughly disinfect the pruning equipment before and after each cut with a 10% bleach solution.
Treatment of Oak Wilt
Finally, planting oak species tolerant to oak wilt can prove to be beneficial in preventing the spread of this devastating fungus. In the Winona area, mscalleylive oak, cherrybark oak, nuttal oak, and post oak are some of the most common species that show tolerance to oak wilt.
By taking the appropriate steps such as avoiding pruning or wounding during the spring and summer months, regularly disinfecting pruning equipment, and planting tolerant species, the spread of oak wilt can be greatly reduced in the Winona, TX area.
Tree Care Services in Winona, 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 Winona, TX
We provide Tree Disease Treatment Services in Winona, 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 Winona, 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 Winona, TX, at (817) 799-7808 and schedule your free consultation with our ISA Certified Arborist and tree care expert!

