The National Plant Diagnostic Network is a consortium of diagnostic labs in all US states and territories protecting national plant health with a distributed ability to provide timely quality diagnostics of plant pests and pathogens. Learn more about NPDN.

Click on the map to see the lab directory in your state

The screen width was resized from a small window to a larger width, please refresh the page to use the directory.

Find a Lab

NPDN consists of five regions. Click on a regional logo to learn more.

WPDN full
GPDN full
NCPDN full
SPDN full
NEPDN full