Who's Attending

  • Celeste Richards
  • Daniel Dowd
    Lehman Plant Care
  • Daniel Dowd
    Lehman Plant Care

LIAA Annual Symposium

4:00 - 6:00 PM

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Beyond the Bathroom: Mildew, Rust, Scale and Other Menaces  Lurking in the Trees

 Margery Daughtrey and Dan Gilrein


Presentation will be on Zoom- register at the link below


DEC ISA CNLP credits applied for 

Margery Daughtrey and Dan Gilrein from the Cornell group will be giving two 45 minute webinars on review the life cycles, and recognizing and managing powdery mildew diseases of London plane tree, ninebark, maples, and hydrangeas.

RSVP Online:


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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