Grand Junction Tree Status

Big Horn Tree Service: Grand Junction Urban Forest Health
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Protecting Grand Junction’s Canopy

Big Horn Tree Service • Est. 2008

Led by ISA Certified Arborist Justin Drissel (RM-8191A) and Licensed Pesticide Applicator Ahna Drissel (#44558), we are dedicated to preserving Western Colorado’s urban forests for future generations.

15+ Years of
Expertise

The State of Our Urban Forest

Grand Junction boasts a diverse and beautiful urban canopy, but it faces significant threats. Ash trees (Fraxinus spp.) make up a massive portion of our local landscape, providing vital shade and oxygen. However, prolonged droughts and highly destructive pests like the Lilac Ash Borer and the looming threat of the Emerald Ash Borer (EAB) have placed this crucial species at severe risk.

📊 Canopy Composition

Ash trees represent an outsized portion of our local environment. Losing them would drastically alter the Grand Valley’s landscape and temperatures.

🚨 The Ash Tree Crisis

Since 2021, insect damage has surged. The city is actively protecting high-value public trees, but residential protection is critical.

Emerging Pests & Treatment Windows

With Emerald Ash Borer confirmed on the Western Slope (Carbondale, 2023) and Japanese Beetles requiring a $300,000 eradication effort in Mesa County, proactive treatment is no longer optional. Big Horn Tree Service utilizes targeted, regulation-compliant pesticide applications (including Emamectin benzoate trunk injections) to protect your trees during their most vulnerable periods.

🗓️ Optimal Treatment Timelines

Proper timing is critical. For example, scale insects (like Pine Needle Scale) must be targeted when “crawlers” are active in July, or via systemic injections in Spring/Fall.

Hazardous Tree Removal Protocol

When trees are compromised by decay, storm damage, or severe root disease, they become immediate safety hazards to homes, power lines, and families. Big Horn’s certified arborist, Justin Drissel, leads a rigorous, safety-first removal process utilizing state-of-the-art equipment.

1

Professional Evaluation

Certified Arborist assesses tree health, location risks, and safety requirements.

2

Detailed Quote

Transparent pricing outlining professional timing and planned safety measures.

3

Safe Execution

Tree systematically dismantled. Stumps ground below level for a clean finish.

4

Final Inspection

Property is fully cleaned. Post-removal Plant Health Care options provided.

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Ready to Protect Your Property?

We proudly offer Free Estimates. Let our fully licensed and insured team handle your tree trimming, removal, and plant health care needs.

Call (970) 640-5671 Today

© 2026 Big Horn Tree Service. 141 Buena Vista Dr, Grand Junction, CO 81503.