Submit plant samples for diagnosis


Read time: 6 minutes

Submit plant samples to the Connecticut Agricultural Experiment Station for disease diagnosis. This service helps identify plant issues and supports proper treatment. Follow the steps to prepare your sample and submit the correct form.

When to use this service

  • Use this service if you need to:
  • Diagnose a plant disease or condition
  • Confirm issues affecting plant health
  • Get guidance from a laboratory

What you need
Prepare these items before you submit:

How to complete the form
Follow these steps:

How to submit your sample
Choose one option:

  • Send your sample by mail using approved packaging.
  • Drop off your sample at the New Haven laboratory location:
    • 123 Huntington Street, New Haven, CT 06511

To get more information about sample submission please visit this page.

What happens next
The laboratory reviews your sample after it arrives. Results help identify the issue and guide next steps. Processing times vary based on volume and request type.