Upcoming LIAA Events

Aug 11

6:30 - 9:00 PM

August 11th, 2020 Free Twilight Tour

Shamrock Christmas Tree Farm

20685 Main Road

Mattituck, NY  11952


Join us for a fun tour of the christmas tree farm and maze

Beverages will be provided by Shamrock Christmas Tree Farm

DEC, ISA, CNLP credits available

Face covering/masks are required



Sep 8

7:00 - 9:00 PM

September 8th, 2020 General Membership Dinner Meeting

Essco Service Co.


Face coverings/masks REQUIRED

Oct 13

7:00 - 9:00 PM

October 13th, 2020 General Membership Dinner Meeting

Progressive Grower 



face coverings/masks Required

About Us

The Long Island Arboricultural Association (LIAA) is a non-profit educational organization dedicated to education for the appreciation and care of shade trees and shrubs on Long Island.

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Sponsorship Opportunities

LIAA invites all members and supporters to participate in our Sponsorship program. These sponsorships help offset the increasing costs of providing one of the largest one-day program devoted to arboriculture in the Northeast, the Long Island Arboricultural Association's Annual Tree Symposium.

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