2024 International Society of Arboriculture (ISA) Certification Training

Tree photo
Image by Mark Chisholm, Aspen Tree Care Company, Bugwood.org


2024 International Society of Arboriculture (ISA) Certification Training - CLOSED

  • Wednesday, February 21, 2024, 12:30 PM - 3:30 PM
  • Thursday, February 29, 2024, 12:30 PM - 4:00 PM
  • Wednesday, March 20, 2024, 12:30 PM - 3:30 PM
  • Wednesday, March 13, 2024, 12:30 PM - 4:00 PM


This training program is designed to assist green industry professionals in obtaining the International Society of Arboriculture (ISA) Certified Arborist designation. All Sessions are in person and include a snow-date. (See Dates and Sessions Descriptions Below)

Attendees of this program will gain an increased knowledge of practices pertaining to the care of trees including tree biology and identification, proper pruning, and safety, soils, tree health and diagnosis. ISA Certified arborists may also attend select sessions for review and qualify for Continuing Education Units (CEUs). DEC Pesticide recertification credits have been applied for but have not yet been granted for sessions. This training may be eligible for Landscape Architect CEUs. A Certificate of Attendance will be issued. Contact the NYS Dept. of Ed for further information.

When you complete the registration and pay, a confirmation email will be sent to you. If you do not receive that email, please contact us. We need a working email to communicate updates and snow-dates.

LOCATION: Carmel, NY (Putnam County)


  • $595.00 All 4 Sessions Plus Study Guide* (English)
  • $595.00 All 4 Sessions Plus Study Guide (Spanish)
  • $425.00 All 4 Sessions with NO Study Guide
  • $115.00 For each Individual Session


Payment Types Accepted: Credit Card/Bank. Purchase Order (for municipalities/agencies/businesses)


  • Session 1 - February 21st (snow-date Feb 22nd) 12:30 to 3:30PM - Soil & Water Relationships, Nutrition, Plant Establishment
  • Session 2 - February 29th (snow-date Feb 28th not a typo) 12:30 to 4:00PM - Tree Biology, Diagnosis, Treatment and Plant Healthcare with ISA Application Review 
  • Session 3 - March 20th (snow-date March 19th) 12:30 to 3:30PM - Pruning, Tree Risk Assessment, Construction
  • Session 4 - March 13th (snow-date March 14th) 12:30 to 3:30PM - Safety, Cabling, Climbing, Lightning protection; with optional ISA Application Review 3:30 to 4:00PM 

*Study Guide package includes ISA Arborist Certification Study Guide, and Standards Booklets for: Support Systems, Pruning, Transplanting, and Soil Management


Barb Neal Certified arborist and Plant Care Professional

Jen Lerner– Horticulture and Natural Resources, Cornell Cooperative Extension of Putnam County

Mark Chisholm- International Tree Climbing Champion and Certified Arborist, Aspen Tree Experts, Jackson, NJ. Sponsored by Stihl USA

Steve Chisholm- Certified Arborist, Aspen Tree Experts, Jackson, NJ

Gloria Van Duyne- NYS Dept. of Environmental Conservation Urban & Community Forestry Program Director

Don Gabel- Plant Care Professional and Instructor

Rick Harper, Ph.D- Associate Professor, University of Massachusetts

ISA Examination Eligibility Requirement

The ISA Certification Board requires a candidate to have a minimum of three years’ experience in arboriculture. Acceptable experience includes the practical use of knowledge involved in pruning, fertilization, installation and establishment, diagnosis, and treatment of tree problems, cabling, and bracing, climbing, or other services that directly relate to arboriculture. Examples of experience sources include but are not limited to:


Tree care companies

Utility personnel

Nursery personnel

Instructors of arboriculture/horticulture

Landscape personnel

Horticulture/Extension Advisors


Consulting Arborist

State forestry personnel

Pest Control Advisors/Applicators

The eligibility requirement may also be satisfied with a two-year degree in arboriculture and two years practical experience or a four-year degree in a related field and one year of practical experience.

By submitting your application, you authorize ISA certification staff to contact the practical experience reference named on your application to substantiate your eligibility.

The ISA Certification Program does not discriminate in determining eligibility on the basis of race, color, religion, national origin, age disability, or any other characteristic protected by law.

Becoming ISA Certified is a two-step process.

1. Trainees apply to ISA to determine eligibility

2. After approval, enroll to take a computer-based exam

Trainees must apply separately to ISA to be eligible to take the exam.

The application guide can be found here:


Fees For the exam must be paid To ISA.

CCEDC/CCEPC/CCEWC cannot process exam applications nor accept exam fees.

Once your application is approved by ISA you will be able to enroll for the exam. Computer-based exams may be taken at Pearson VUE testing facilities. You must first submit your application to ISA and receive approval prior to scheduling to take an exam.

For testing centers visit: https://home.pearsonvue.com/isa.aspx

More information on Computer-based Exams can be found on the ISA website: https://www.isa-arbor.com/Credentials/Exam-Information

For further information and/or questions please contact:

Hilary Jufer:hnb23@cornell.edu

Jennifer Lerner: jjs95@cornell.edu

or call ISA at 1 (678) 367-0981


See Above for pricing


Jennifer Lerner
Senior Resource Educator
845-278-6738 ext. 216

Last updated March 19, 2024