Cornell Cooperative Extension

Nassau County
close-up photo of soil after tilling

You can obtain pH, nutrient profile, and other specialized soil tests through CCE-Nassau.

Leaf lesions on tomato due to late blight
Image by Cornell Horticulture Dept.

CCE-Nassau can identify Plants, Insects, and Diseases for $5/sample.

Help for Gardeners

The CCE Nassau Horitculture program provides support and services that can help home gardeners with a variety of gardening challenges.

Click here for the Questionnaire for Diagnosis of Problems

Helpline

Trained Master Gardener volunteers respond to your gardening questions. 

Soil Testing Services

You can obtain pH and texture soil tests through CCE Nassau. Click here for soil testing fact sheet and the instructions for taking a soil sample before bringing your sample to CCE Nassau for pH testing. 

Click here to visit our Diagnostic and Soil testing page. 

Insect, Disease or Plant Identification

This service is done here at CCE Nassau for $7/sample. If necessary, samples can be sent to Cornell University for identification, at a charge of $25/sample. Please read this information about how to submit an insect sample to The Cornell University Insect Diagnostic Laboratory.

Seed Saving Resources

For more information on saving seeds and a list of organizations that promote seed saving, seed production and plant breeding, go to Cornell University's resource page on all things seedy!

Horticulture Hotline and Diagnostic Information Center hours can be found here.


Last updated June 14, 2021

Help for Gardeners

Find Your Zone

2012 USDA Hardiness Zone Map

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.

Insect Diagnostic Lab

U.S. postage stamps of spiders and insects, used on the Cornell Insect Diagnostic Lab website; 200px wide to use as an image for a sidebar link to their site at: http://entomology.cornell.edu/IDL

For more information about an insect, or how to deal with an insect problem in or around your home or garden, contact the Insect Diagnostic Lab, a program of Cornell Cooperative Extension in the Department of Entomology. For a $25 fee, an insect or related arthropod can be shipped to the lab, or a detailed photo can be emailed, for expert identification. Diagnostician Jason Dombroskie, Ph.D. has many years ofexperience identifying insects and other arthropods. More information about this service, including fact sheets on common outdoor and indoor insects, can be found at: 

http://idl.entomology.cornell.edu/

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