Soil Testing, Insect ID & Plant Diagnostic Lab

Soil Testing, Insect ID & Plant Diagnostic Lab
Soil Testing, Insect ID & Plant Diagnostic Lab

Getting Here

34 Sage Way
Barton Hall, Second Floor
Durham, NH 03824
United States


Currently closed
Mon - Fri:
8:00 am-4:00 pm

Plant Diagnostic Lab & Plant Health  
Soil Testing 
Insect Identification

The Agriculture & Gardens team wants to let you know that we are still working and available to provide guidance and help during this busy season.  While face-to-face meetings and in-person programming have been curtailed, we are still working every day to help your season be a successful one. Watch for our newsletter or visit Agriculture & Gardens to get updates on upcoming programs and newly available resources.


We are accepting samples by mail and in-person at our Barton Hall location for all soil, plant and insect samples. Come visit us!


 Please send all samples to the address below. 

Mail all samples to: 

     UNH Extension Soil Testing Service

     Barton Hall B206

     34 Sage Way

     Durham, NH 03824

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Tyler Edwards Joins Extension as the Plant Pathology Program Manager
UNH Extension is pleased to announce the hire of Tyler Edwards as the Plant Pathology Program Manager. Learn More
Renuka Mathur, Ph.D., joins UNH Extension as the State Extension Specialist for Soil Health
UNH Cooperative Extension is pleased to welcome Renuka Mathur, Ph.D., to the Food and Agriculture Team, as a Soil Health State Specialist. Renuka has ... Learn More
Bo Liu, Ph.D., joins UNH Extension as the Director of the UNH Plant Diagnostic Lab and State Extension Specialist
UNH Extension is pleased to welcome Bo Liu, Ph.D., as our Plant Diagnostic Lab Director and State Specialist. Learn More


Taking a soil sample is easy. Here's a one minute video to show you how.  Learn More
Cooperative Extension’s soil testing service dates back to 2005. The number of samples we process averages more than 3,000 a year. The following list ... Learn More
New Hampshire homeowners, gardeners, hikers, hunters, landscapers and anyone else who works or plays outdoors can now have ticks identified and tested... Learn More
All forms needed for soil testing. 
Learn More
In addition to the standard analyses, soil tests may be customized to meet your individual testing needs.  At the link below, you will find a complete... Learn More
The European earwig (Forficula auricularia) is a common pest of homes and gardens in New England and can be quite destructive to house and garden plan... Learn More

The Team