Horticulture

Cornell Cooperative Extension of Nassau County is your resource for information on soils, site improvement, plant selection, proper plant care, eco-friendly practices, integrated pest management, composting and so much more! We offer free or low-cost gardening classes and tours all year long, and opportunities to share your love of gardening as a volunteer! Call us or come by today!

Be A Member!

If you work in commercial horticulture, or you're a homeowner who enjoys gardening, consider the many benefits of our Horticulture Membership programs.

Master Gardener Volunteer Program

The Master Gardener program is a volunteer program developed by the Cooperative Extension System and coordinated by county units of the system.

Minns Garden on the Cornell University campus (Cornell University Photography). garden bench, container garden

Gardening Presentations

Our Master Gardener volunteers are available to speak to community groups on a range of topics, including how to make striking container gardens!

Fact Sheets

Many new fact sheets have been added to this section of our web site to provide you with even more up to date horticulture information.

East Meadow Farm

Diagnostic and Information Center, Community Gardens, and Demonstration Gardens at East Meadow Farm.

Test Your Soil!

Learn the correct way to gather soil for a soil test at Cooperative Extension, and find out what tests you can have done through our offices.

Last updated February 21, 2023

Horticulture

Find Your Zone!

The 2012 USDA Plant Hardiness Zone Map helps gardeners and growers determine which plants are most likely to thrive at a location. For the first time, the map is available as an interactive GIS-based map, for which a broadband Internet connection is recommended. Users may also simply type in a ZIP Code and find the hardiness zone for that area.