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ISA Certified Arborist measuring tree

Tree Services

Consulting & Diagnosis

Our ISA Certified Arborists can identify, assess, diagnose, and provide treatment options for any landscape tree or shrub. Not sure what's wrong? We'll find out.

ISA Certified Arborist assessment

What Is an ISA Certified Arborist?

The International Society of Arboriculture (ISA) is the gold standard credentialing body in professional tree care. An ISA Certified Arborist has accumulated a minimum of three years of full-time hands-on experience in professional tree care, passed a comprehensive examination covering tree biology, diagnosis, pruning, soil science, and safety, and commits to ongoing continuing education to maintain the credential.

Not all tree service companies employ ISA Certified Arborists. The difference between a certified arborist and an uncertified crew matters enormously when the diagnosis is wrong — misidentified pests, incorrect fungicide applications, and improper pruning cuts can accelerate a tree's decline rather than reverse it.

Structural integrity — lean, root plate stability, branch attachment angles
Disease and pest pressure — visual symptoms, boring damage, canker lesions
Soil conditions — compaction, drainage, pH, and nutrient availability
Site conflicts — overhead utilities, proximity to structures, pavement damage
Storm damage risk — dead wood, codominant stems, included bark
Long-term management options — treatment plans, timelines, and cost estimates

Common Diagnoses in the Lehigh Valley

Our arborists regularly diagnose and treat these conditions across properties throughout the region.

Insect Pest

Emerald Ash Borer

Invasive beetle that has devastated ash tree populations across Pennsylvania. Signs include S-shaped galleries, D-shaped exit holes, and crown dieback.

Fungal Disease

Anthracnose

Affects sycamore, oak, maple, and ash. Causes defoliation, twig dieback, and canker formation. Favored by cool, wet spring weather.

Fungal Disease

Oak Wilt

Highly aggressive vascular disease that can kill red oaks within weeks. Treatment requires immediate fungicide injection and severing root grafts.

Soilborne Disease

Verticillium Wilt

Affects maples, elms, and other hardwoods. Causes wilting branches and internal vascular discoloration. No cure — management focuses on extension.

Insect Pest

Bronze Birch Borer

Secondary pest that attacks stressed birch trees. Preventive trunk injections are available for high-value specimens in at-risk conditions.

Water Mold

Phytophthora Root Rot

Causes crown decline in poorly drained sites. Diagnosis requires soil testing and root examination by a certified arborist.

What to Expect From a Consultation

01

On-Site Assessment

Your arborist walks the property, evaluates every tree or shrub of concern, and gathers visual and physical data.

02

Identification & Diagnosis

Species identification, condition rating, and specific diagnosis with supporting evidence you can see and understand.

03

Written Recommendations

A clear, prioritized plan with treatment options, estimated timelines, and transparent pricing.

04

Ongoing Monitoring

For complex cases, we schedule follow-up visits to track treatment efficacy and adjust as needed.

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