The Certified Plant Diagnostician (CPD) program is available to anyone eligible. It is intended to recognize your skill and ability in diagnosing plant problems. You do not have to have completed the Certified Nursery Professional program in order to complete this program.

“Pests of Landscape Trees & Shrubs” by Steve H. Dreistadt, and “A Systematic Approach to Diagnosing Plant Damage” by Green, Maloy and Capizzi are the official training manuals for Idaho’s advanced Certified Plant Diagnostician.