Trees are vital to our landscapes, providing shade, beauty, and environmental benefits. However, trees are susceptible to various diseases that can compromise their health, weaken their structure, and even lead to premature death. Understanding the signs of common tree diseases and knowing how to treat them can help ensure their longevity and prevent the need for dead tree removal in Sarasota. In this guide, we’ll explore the most common tree diseases, their symptoms, and effective treatment methods.

Common Tree Diseases in Florida
Florida’s warm and humid climate creates an environment where certain tree diseases thrive. Among the most susceptible species are palms, oaks, maples, and citrus trees. Below are some of the most common diseases that affect trees in Florida.
1. Ganoderma Butt Rot (Palm Trees)
- Symptoms:
- Wilting or yellowing fronds.
- A conk (mushroom-like growth) forming at the base of the tree.
- Slow tree decline and eventual collapse.
- Treatment:
- There is no cure for Ganoderma once a tree is infected.
- Preventative care includes avoiding injury to the trunk and maintaining healthy soil conditions.
- Professional tree removal is necessary to prevent the spread to nearby palms.
Learn more about palm tree diseases in Florida.
2. Lethal Bronzing (Palm Trees)
- Symptoms:
- Premature fruit drop.
- Browning of lower fronds moving upwards.
- Death of the central growth spear.
- Treatment:
- Regular monitoring for early detection.
- Application of antibiotics to control bacterial spread.
- Infected trees should be promptly removed to prevent further spread.
Get expert assistance for palm tree diseases in Florida.
3. Oak Wilt (Oak Trees)
- Symptoms:
- Wilting leaves turning brown from the edges inward.
- Fungal mats under the bark emit a sweet odor.
- Rapid defoliation and tree death.
- Treatment:
- Preventative fungicides can help protect healthy trees.
- Prune only during the dormant season to reduce infection risks.
- Infected trees should be removed by professionals to limit spread.
Find out when tree removal is necessary.
4. Citrus Canker (Citrus Trees)
- Symptoms:
- Yellow, blister-like lesions on leaves and fruit.
- Premature leaf drop.
- Fruit splitting and rotting.
- Treatment:
- Copper-based fungicides can slow down the disease.
- Remove and destroy infected trees to prevent further spread.
Consult our arborists for tree disease management.
5. Anthracnose (Various Trees, Including Maples and Sycamores)
- Symptoms:
- Dark, sunken lesions on leaves, stems, and twigs.
- Premature leaf drop.
- Twigs dying back from the tips.
- Treatment:
- Remove infected leaves and twigs to prevent disease spread.
- Apply fungicides during the early growing season.
- Increase air circulation around trees through strategic pruning.
Learn more about our tree-saving techniques.
Preventing Tree Diseases
The best way to protect your trees from disease is through proactive care. Here are some steps to keep your trees healthy:
- Regular Inspections: Check for early signs of disease before they become severe.
- Proper Pruning: Remove dead or infected branches to prevent spread.
- Soil Health Management: Maintain proper watering and fertilization practices.
- Avoid Injuring Trees: Wounds from lawn equipment or improper pruning can make trees susceptible to disease.
- Prompt Removal of Infected Trees: If a tree is beyond saving, dead tree removal in Sarasota can prevent disease transmission to healthy trees.
When to Consider Tree Removal
Despite best efforts, some trees may become too damaged or diseased to save. Removing a dead or severely infected tree is often the best way to protect your property and nearby healthy trees. Signs that removal is necessary include:
- Hollow or severely decayed trunks.
- Large sections of dead branches.
- Trees leaning dangerously toward structures.
- Persistent fungal growth at the tree base.
Contact us for professional dead tree removal in Sarasota.
Trust Lamb Tree Care for Expert Tree Services
At Lamb Tree Care, we specialize in identifying and treating tree diseases, helping homeowners maintain beautiful and healthy landscapes. Whether you need professional treatment, pruning, or dead tree removal in Sarasota, our team of experts is here to help.
- Tree Disease Diagnosis & Treatment
- Palm Tree Care & Preservation
- Tree Trimming & Maintenance
- Tree Removal Services