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.

2021 Shade Tree Symposium

The Penn-Del Chapter of the ISA's Board of Directors has made the difficult decision to make our 2021 Shade Tree Symposium virtual. Given the limitations imposed in response to the pandemic and the uncertainty of future restrictions, it was felt that a virtual experience would be the best for the Chapter and its members. The Symposium Committee is currently working on finalizing the agenda. Once complete, it will be posted on the website. More information can be found on the Symposium page under the education tab.

Penn-Del ISA Awards

The Penn-Del Chapter is looking for nominations to determine who deserves recognition in our Chapter. The awards will be announced during the upcoming symposium. If you would like to nominate someone, please fill out this form

COVID-19 Pandemic

Please read our statement regarding the impact this pandemic is having on our industry.  Click HERE


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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2021 Board Meetings

March 9th - Conference Call
May 13th - Conference Call
August 4th - Conference Call
October 8th - Conference Call
December 3rd - Conference Call