Landscape Industry Certified Horticultural Technician

Horticulturalists keep our nation green. If you care for trees and shrubs in residential and/or commercial landscapes, then this certification if for you. The certification process will help you learn new things and brush up on what you already know. Prove your knowledge, stand out and become certified. Start your journey today!

Certification Process

Step 1.  Enroll
Step 2.  Purchase Study Materials from Suggested List
Step 3.  Study at Your Own Pace
Step 4.  Take the Exam at Your Convenience

Study Materials

The Landscape Industry Certified Horticultural Technician is a self-study program. NALP recommends the following study materials for the Landscape Industry Certified Horticultural Technician exam:

About The Exam

The test for the Landscape Industry Certified Horticultural Technician is done online, at your convenience, at your home or office through the respected national testing service - ProctorU. After you have dedicated sufficient time to self-study, you can take the online exam. The exam contains two sections and each section must be passed with a 70% or above score.

The exam includes the following sections:

Exam 1: Plant physiology; plant identification; soils; plant establishment; fertilizers; measuring property and fertilizer placement; calibration of fertilizer delivery method; fertilization awareness factors; plant healthcare management

Exam 2: Property map; determining plant health care programs for the landscape woody ornamental; insects and pests; woody ornamental diseases; physiological problems; chemical injury; diagnostic outline; pesticide delivery methods; safety in tree and shrub spraying; pesticide programs.

Exam Fees

NALP Member

Full Exam: $250 | Per Section: $125 | Retakes: $50 per section
Additional fees required for ProctorU; see exam registration

Non-Member

Full Exam: $350 | Per Section: $175 | Retakes: $75 per section
Additional fees required for ProctorU; see exam registration