Upcoming LIAA Events

Feb 13

7:00 - 4:30 PM

46th Annual Tree Symposium

Long Island Arboricultural Association invites you to attend the 46th ANNUAL TREE SYMPOSIUM to be held on Tuesday, February 13th at Hofstra University – Student Center in Uniondale , NY from 7:00 a.m. to 4:30 p.m.

Registration includes:

  • Conference fees
  • Continuing Education Credits
    (DEC, ISA, CNLP & CTSP credits pending)
  • Continental Breakfast & Lunch

Mar 13 - Jan 13

March General Meeting

Polish Hall, Riverhead, NY

Mar 24

Arbor Day

Cornell Cooperative Extension
Suffolk County Farm & Education Center

Apr 10


April General Meeting (Elections Dinner)

Black Forest Brew Haus
Farmingdale, NY

May 8


May Twilight Tour

Location TBD

Jun 12

June Twilight Tour

Location TBD

Jul 10


July Twlight Tour

Location TBD

Aug 14

August Twilight Tour

Location TBD

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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