Types of Arborists

Arboriculture is a specialized field that requires various levels of expertise, certifications, and hands-on training. Below is an overview of the different types of arborists, their qualifications, and the regulatory agencies that oversee their certifications.

Arborist Apprentice (Department of Labor)

An Arborist Apprentice is an entry-level worker who learns the trade under a skilled Journeyman Arborist. This program includes 5,440 hours of on-the-job training (OJT) and classroom study over three years.

Training Requirements:

  • On-the-Job Training (5,000 hours):
    • Tree trimming and climbing
    • Tree disease diagnosis and treatment
    • Equipment operation and fundamentals
    • Rigging and tree removal
    • Tree biology and identification
    • Plant health care
    • Leadership in tree care operations
    • Communication skills
  • Classroom Study (440 hours):
    • Structured learning modules and self-study to develop competency in arboriculture skills.

Learn more about Apprenticeship Programs

Certified Tree Worker Climber Specialist (ISA)

This certification is for tree workers specializing in climbing. To qualify, individuals must demonstrate the physical ability to climb trees safely and perform aerial tree work.

Key Competencies:

  • Climbing trees using specialized techniques for pruning and removal.
  • Understanding tree biodynamics for climbing and rigging procedures.
  • Operating chainsaws and dismantling equipment.

Learn more about the Certified Tree Worker Climber Specialist

Tree Risk Assessment Qualification (TRAQ - ISA)

The TRAQ certification is for arborists specializing in tree risk assessment and mitigation.

Key Competencies:

  • Conducting limited-visual and basic tree risk assessments.
  • Understanding advanced diagnostic techniques.
  • Making data-driven recommendations for risk mitigation.

Learn more about TRAQ certification

Certified Arborist (ISA)

The ISA Certified Arborist credential is for professionals knowledgeable in all aspects of arboriculture.

Requirements:

  • Three or more years of full-time, practical work experience in arboriculture or a degree in arboriculture, horticulture, landscape architecture, or forestry.
  • Must pass the ISA Certified Arborist exam.

Learn more about becoming a Certified Arborist

Journeyman Arborist (Department of Labor)

A Journeyman Arborist is a highly skilled professional with at least 5,440 hours of experience in tree care. This designation signifies mastery in all areas of arboriculture.

Learn more about Journeyman Arborist certification

Member Arborist (ASCA - American Society of Consulting Arborists)

ASCA Member Arborists specialize in consulting services, providing expert advice and analysis for tree care issues.

Services Provided:

  • Tree assessments and surveys
  • Expert witness and litigation support
  • Municipal ordinance development
  • Tree management for golf courses, nurseries, and urban forests

Learn more about ASCA Membership

Board Certified Master Arborist (ISA)

The Board Certified Master Arborist (BCMA) is the highest ISA credential, recognizing top professionals in the field.

Learn more about BCMA certification

Registered Consulting Arborist (RCA - ASCA)

A Registered Consulting Arborist (RCA) specializes in high-level tree analysis and consulting, often working with municipalities, legal teams, and developers.

Key Expertise:

  • Tree protection for construction projects.
  • Forensic tree investigations.
  • Expert opinions on tree health, safety, and preservation.

Learn more about RCA certification

Choosing the Right Arborist

Selecting the right arborist depends on the complexity of your tree care needs. Whether you're looking for tree risk assessment, expert consulting, or advanced climbing and pruning services, understanding these credentials will help you make an informed decision.

Contact us today to find a certified arborist near you!