Loading Events

Penn State Extension Arborist Short Course

Designed to increase working tree knowledge and professional arborist skills, successful completion of the four-day Arborist Short Course will prepare participants for the ISA Certified Arborist exam, as well as improve their marketability. This certification designates a level of professionalism that most arborists do not have.


Day 1: Tue., Sep. 28, 2021
(9:00 AM – 5:00 PM ET)

Day 2: Thu., Oct. 7, 2021
(9:00 AM – 4:00 PM ET)

Day 3: Fri., Oct. 8, 2021
(9:00 AM – 5:00 PM ET)

Day 4: Tue., Oct. 12, 2021
(9:00 AM – 4:00 PM ET)


Penn State Extension York County
2401 Pleasant Valley Rd.
York, PA 17402

Learn More

Today there is an increased awareness by homeowners and municipalities for the need of trained and knowledgeable tree care workers. The green industry has responded to this demand for trained professionals by creating certification programs, such as the Arborist Short Course.

Topics Include

• Diagnosis of Plant Diseases & Insect Pests
• Nutrition & Fertilization
• Selection, Installation, & Establishment of Trees & Shrubs
• Soil & Water Interaction & Management
• Plant Identification Assessment & Risk Management
• Pruning
• Construction Impacts & Management
• Safety & Climbing

Participants can register to receive a copy of the ISA Arborist Certification Study Guide or register without a study guide if they already have one. The ISA Study Guide is required for the course. The ISA Study Guide can be included in your registration (additional $125 fee) or you can bring the study guide with you that you have purchased or borrowed. All participants will receive a memory stick/flash drive of resources on the covered topics.

Certified Arborists Examination

This course provides training for people interested in taking the International Society of Arboriculture Certified Arborists Examination.

Credit Information

ISA Certified Arborist Continuing Education Units (CEUs) will be awarded to participants who are taking the course for the first time. ISA will not award CEUs to those who have previously attended and received CEUs from the course.

Register Online