Floriculture Program

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.


For questions regarding commercial greenhouse & floriculture contact:

Nora Catlin, PhD, Floriculture Specialist
Cornell Cooperative Extension of Suffolk County
Phone: 631-727-7850 x214
Email: nora.catlin@cornell.edu

For questions on home gardens contact:

The Cornell Cooperative Extension of Suffolk County Horticulture Information Line



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 http://e-gro.org/alert.php, 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, updates on various industry issues, and updates on current pest issues and cultural problems. Sign up so you can stay informed!

To sign up visit: http://visitor.r20.constantcontact.com/d.jsp?llr=kqsvr8cab&p=oi&m=1102583613962 (Once you are on the sign-up page, make sure to select ‘Greenhouse Notes - Nora's List'.)

A Facebook page including information on upcoming programs, various updates, and photos.

Like it here: http://www.facebook.com/LIGreenhouse

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, visit: http://ccesuffolk.org/subscribe-to-our-agriculture-publications/.




Impatiens Downy Mildew Fact Sheet for Landscapers

Impatiens Downy Mildew in Home Gardens

Impatiens Downy Mildew – A Review (for greenhouse growers)

List of Fungicides Labeled for Downy Mildew Management (Greenhouse Growers and Commercial Landscapers)

Alternative Plants to Garden Impatiens

Video of an Impatiens Plant from Exposure to Plant Collapse

Pictures of Symptoms of Impatiens Downy Mildew

Great Annuals For Shade - 4 page fact sheet

Great Annuals For Shade - trifold brochure



Boxwood Blight Fact Sheet - March 2013

Susceptibility of Boxwood Cultivars to Boxwood Blight (NC State University)

Boxwood Alternatives (from Vincent A. Simeone, Planting Fields Arboretum)

More Boxwood Blight information:





Other Useful Information

Coleus Downy Mildew

Susceptibility of Some Coleus Cultivars to Coleus Downy Mildew

Keep Your Records up to Date!

NYS Invasive Species Regulation – Public Comment Period Open

Clean Sweep NY Fall 2014 Program - How to Participate

Clean Sweep NY Fall 2014 - Info




Cornell University Greenhouse Horticulture

NYS IPM Program - Nursery, Greenhouse, and Christmas Trees

Cornell Pest Management Guidelines

Product, Ingredient, and Manufacturer System

Pesticide Management Education Program

NYS Department of Environmental Conservation, Pest Management