Latest News & Articles

15 May

This blog explains the best time to trim trees in San Diego based on tree species, seasonal weather, pest activity, and local climate conditions. It covers expert arborist tips for trimming oaks, palms, citrus, pines, and more while helping homeowners avoid common pruning mistakes and protect long-term tree health.

13 May

Shot hole borer is destroying San Diego trees fast. Learn how to spot the signs, understand the damage, and find the right treatment before it’s too late.

6 May

Tree diseases can quickly turn healthy landscapes into safety hazards if left untreated. In this guide, Tree Doctor USA covers the 5 most common tree diseases affecting San Diego County, including Fusarium Wilt, Sudden Oak Death, Fire Blight, Anthracnose, and Powdery Mildew. Learn how to identify early warning signs, understand what causes these diseases in Southern California’s climate, and discover the professional treatment options available to protect your trees before serious damage occurs.

1 May

Ambrosia beetle prevention is essential because once these tiny pests enter a tree, treatment becomes very difficult. They bore deep inside and introduce a fungus that blocks water flow, often causing serious damage before visible signs appear. Since control options are limited after infestation, maintaining healthy, stress-free trees and taking early preventive measures is the most effective way to protect them.

23 Apr

The South American palm weevil is a highly destructive pest threatening Canary Island date palms across San Diego and Southern California. Early detection is critical, as larvae destroy the tree from the inside, often before visible damage appears. Effective treatment requires a professional, layered approach including crown sprays, systemic soil treatments, and in high-risk cases, trunk injections. Preventive care, proper pruning, and community-wide management are essential to protect palms and reduce infestation spread.

17 Apr

Ambrosia beetles are tiny but destructive pests that burrow into tree trunks to grow fungi, often causing irreversible damage. By the time you notice signs like frass (sawdust) on the tree bark, the damage is usually done. The blog explains how to identify, treat, and prevent ambrosia beetle infestations, emphasizing the importance of early intervention. Treatment options include removing infested trees, applying bark sprays, and improving tree health to reduce stress. For fast action and effective control, professional assistance is recommended, especially in areas with invasive beetle species like the redbay ambrosia beetle.