Upcoming LIAA Events

May 11

6:30 - 8:30 PM

May Twilight Tour with Jennifer Ulsheimer

The LIAA Presents

Their May Twilight Tour 

Located at Geiger Park, Town of Babylon

With Horticulturist Jennifer Ulsheimer

 Please join us May 11th , 2021.   

Time: 6:30PM- 8:30PM 

Address: Grand Blvd, Deer Park, NY 11729


We will be touring Carll’s River Botanical Garden at Geiger Park. The property is 27 acres and about to start phase three of their construction and restoration project. Some topics  that are going to be discussed during the tour are posted below: 


  • The Restoration and reestablishment of the Carll’s River wetland flood plain -replenishing the existing wetland with native species and removing debris and waste material


  • Installed a stormwater wetland to filter the community stormwater that comes into the property before it is reintroduced to the Carll’s River water system


  •  Establishing a new planting of specimen trees while maintaining the existing old growth trees on the property


  • The bird/wildlife sanctuary that is scheduled for construction in the next phase of development

Jun 8

6:00 - 8:00 PM

Hofstra University LIAA Twilight Tour 2021

The LIAA Presents: 

Hofstra University Twilight Tour 2021

Please join us: 

Date:              Tuesday June 8, 2021

Time:              6:00 p.m. to 8:00 p.m.

Location:        Hofstra University Campus Arboretum, Hempstead NY

Presenter:       Fred Soviero, Director of the Hofstra Arboretum and Grounds

**There is a 50 person max capacity to this tour due to COVID-19, so please register on our website.** 


Join Fred Soviero, the Director of the Hofstra Arboretum and Grounds for a tour of Hofstra University’s Campus. This 240 acre campus received official recognition as an Arboretum in 1985 by the prestigious American Public Gardens Association, and is one of only 430 arboreta in the United States. The arboretum features more than 12,000 evergreen and deciduous trees representing 625 species and varieties. The tour will focus on information about the arboretum, maintenance, pest and disease, weed and invasive plant control strategies for landscapes and turfgrass areas. Fred will discuss recently completed and new landscape projects that are part of the continuing evolution of Hofstra University’s impressive campus grounds.

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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