cold frames with flats of small plants, at the CCE-Tompkins Education Center
Image by Sandy Repp

Learn the first and last dates to plant veggies in our area.

Image by Sandy Repp

Pansies are an annual that provides early blooms.

Plants in Cornell Plantations (PLTNS) greenhouses (Cornell University Photography)

Coleus plants in a greenhouse

on how to control Japanese beetle


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!

perennial gardening

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.

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Pachysandra terminalis ground cover

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.

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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!

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Adult Japanese beetle 
Popillia japonica
Genus: Popillia
Family: Scarabaeidae
Order: Coleoptera
Class: Hexapoda (including Insecta)

What is IPM?

IPM stands for Integrated Pest Management. It is a system for managing pest problems using a range of safe, least-toxic methods. IPM is integrated because it uses biological, organic, cultural, mechanical and chemical options for managing pest problems.

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Frog and Lily Pads on Pond

Water Gardens

Water features are becoming popular in the home landscape. Our resources cover how to plan and build your own water garden.

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close-up photo of soil after tilling

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.

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Jennifer Cappello-Ruggiero
Horticulture Community Educator
516-565-5265 Ext. 14

Last updated May 24, 2016