Hort. Lab tech. Michael Wilson looking into our lab microscope to identify a specimen.

Horticulture Diagnostic Lab

We're accepting walk-in consultations again. Come see us in the Lab!

Learn how to take a photo to send to the Lab.

Horticulture Lab Hours:

April - October:

Monday– Thursday

9:00am – 2:00pm

November - March:

Monday – Thursday

9:00am– Noon

The Horticulture Lab of Cornell Cooperative Extension offers numerous services to residents of Rockland County. The Lab offers environmentally friendly and sustainable methods of advice for a multitude of problems.

Advice available on the following (but not limited to):

  • Gardening, plant selection, and yard care
  • Plant and pest problems (ex. deer, rodents, spider mites)
  • pH soil testing -please follow our Sampling Procedures
  • Indoor pest identification and treatment
  • Tick Identification and Management
  • Composting

Horticulture Fact Sheets Online
Feel free to download our free online fact sheets or mail in the Fact Sheet Order Form:

Download our Diagnosis forms prior to visiting us.

For more information, call our Horticulture Diagnostic Lab at
(845) 429-7085, option 3.

or Email your questions to our Horticulture Lab Staff.


Michael Wilson
Horticulture Lab Technician
(845) 429-7085, option 3

Last updated August 26, 2021