The Pennsylvania-Delaware Chapter of the International Society of Arboriculture was founded in 1960. The purpose of this organization is to foster a greater appreciation for shade trees and to promote the science, technology, and practice of professional arboriculture in the states of Pennsylvania and Delaware.

Become a Member

Penn Del ISA membership provides you with access to exclusive resources and discounts. An investment in a chapter membership pays itself back through discounts on continuing education, access to exclusive resources and content, and educational benefits that will advance your career.

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2017 Board Meetings

April 7th- Meeting in person: Location- Pittsburgh area
June 9th- Meeting in person: Location- Harrisburg area
August 4th- Conference call 9:00 am - 11:30 am
September 29th- Meeting in person- Philadelphia area
December 8th- Meeting in person- at the 2018 Symposium location