The Pennsylvania Certified Horticulturist (PCH) application includes the initial exam and one retest. Any retests needed beyond this will require paying the retest fee for each attempt.
Need to mail it in? Print a copy of the PLNA retest form to send with payment.
Remember Me
11/5/2025In Memoriam: William "Bill" D. Wells, Jr.
7/24/2025In Memoriam: Glenn E. Hively
6/5/2025In Memoriam: Thomas K. Eichenlaub
12/3/2025 » 12/10/2025Principles in Botany: Plant Evolution, Reproduction & Propagation - Morris Arboretum (In-Person)
12/8/2025Professional Pest Managers School - Penn State Extension (In-Person)
12/10/2025 » 12/11/2025Pesticide Applicator Short Course - Penn State Extension (In-Person/Leesport)
