Flowers in Minns Garden, Cornell Campus.  Echinacea.  Cornell University Photography.
Image by Lindsay France
Horticulture expert examines specimen in CCE laboratory.
Albam, Kenaley and Giordano discussing beech canker

Horticulturists viewing damage.

Horticulture & Environment

Cornell Cooperative Extension of Westchester 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 all year long, and opportunities to share your love of gardening as a volunteer! Call us or come by today!


Consumer Telephone Hotline Service:  The hotline is open weekdays 9:00am to 12:00 noon (914-285-4640).

Consumer Sample Drop off or Mail in Service: You may drop off samples from 9:00am to 12:00noon and from 1:00pm to 4:00pm Monday to Thursday. You may also mail samples to Cornell Cooperative Extension, 3 West Main Street, Suite 112, Elmsford, NY 10523. Try to mail your samples early in the week (Monday or Tuesday). Download sample submittal forms and review sampling and submittal instructions HERE.

Click here for Recent Programs and Related Resources

Click here for Guide to Farming in NYS

Click here for Westchester Horticultural News Archives

Click here for frequently accessed fact sheets

Click here for Cornell University Turfgrass Program resources

Click here for Cornell University Urban Horticulture Institute resources

Click here for Cornell University IPM “What’s Bugging You?” resources:

Click here for What is Energy Star

Click here for Energy Savings Tips

Click here for Growing Degree Days

Click here for Horticulture Diagnostic Forms

Click here for Horticulture Newsletter (for homeowners)

Click here for Invasive Species


Gerald Giordano
Senior Horticulture Consultant

Last updated April 10, 2019