Trails Gardens
Image by Nora Catlin, PhD

Trial garden at the Long Island Horticultural Research and Extension Center.

Image by Nora Catlin, PhD

Inside the greenhouse.

Image by Nora Catlin, PhD

Marigolds ready for market.

New Guinea Impatiens
Image by Nora Catlin, PhD

New Guinea Impatiens grow great in shady gardens.


Through educational programs, demonstrations, publications, and individual consultations, the Floriculture Program provides Long Island greenhouse and floriculture growers with up-to-date information on best management practices and recommendations for crop selection, crop production, pest management, business management, environmental issues, and applicable regulations. In addition the Floriculture Program conducts demonstration trials of annual plant and poinsettia cultivars as well as applied research on various aspects of integrated pest management and crop production.


e-Gro Alert

An electronic resource for greenhouse growers, created by Floriculture Extension Specialists at Cornell Cooperative Extension of Suffolk County, Purdue University, North Carolina State University, and University of New Hampshire. Each issue will focus on a single insect, disease, nutritional, environmental, or physiological growth problem and will contain color photographs. Sign up so you know what you need to be on the look out for.

To subscribe visit, and click on ‘Subscribe' at the top.

Northeast Greenhouse Notes

An e-newsletter from the Floriculture Program at Cornell Cooperative Extension of Suffolk County that provides information on upcoming local programs of interest and updates on various industry issues. To sign up, email

Agricultural News - Serving Suffolk County
Agriculture and Horticulture Industries

A monthly publication from Cornell Cooperative Extension of Suffolk County.

For more information and to subscribe online, click here or contact Gail Reissig, or 631-727-7850 x210.


For questions regarding commercial greenhouse & floriculture contact:


Nora J. Catlin, PhD
Agriculture Program Director / Floriculture Specialist
631-727-7850 x 214

Last updated May 25, 2021