Plant Disease & Diagnosis Services

diseased leaf

The diagnostic services offered by the UNH Plant Diagnostic Lab include identification of plant pathogens, stress-related disorders and pests. The UNH-PDL is directed by the Cooperative Extension Plant Health Specialist and serves as a resource for information and examples for training and educational programs offered throughout New Hampshire and the New England region.

Detailed information about the available diagnostic services, prices, and instructions for collecting and submitting your plant sample can be found on the Submit a Plant Sample for Diagnosis page below.

*ATTENTION: Campus construction starting 5/20/19. Please see location, hours, and contact information below for drop-off information. 

Download the submission form

Location, hours and contact information.