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OCNT Testing & Renewal

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OCNT Rules & Regulations

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2018 OCNT Exams

Exams are offered monthly at ONLA's office, located at 72 Dorchester Sq., Westerville, Ohio, 43081.

Thursday, May 17, 2018
Thursday, June 21, 2018
Thursday, July 19, 2018
Thursday, August 16, 2018
Thursday, September 20, 2018
Thursday, October 18, 2018
Thursday, November 15, 2018

All exams begin at 9:00 am. 

Download an Application 


Eligibility Requirements

Anyone may obtain the certification training manuals. However, for an individual to take the examination and be granted Ohio Certified Nursery Technician status (upon obtaining a passing grade) he or she must meet the following pre-requisites: worked 1000 hours in the green industry OR worked 500 hours in the green industry and be currently enrolled in or have successfully completed a recognized Horticultural Program (i.e. college or high school OR worked 1500 hours as a volunteer in the green industry at an arboretum, botanical garden, or as a master gardener.

A testing fee of $35.00 ($70.00 for non-members) will be charged. A retesting fee of $30.00 ($60.00 for non-members) will be charged. NOTE: The retest must be taken within one year of the original test date to qualify for the retest fees. Study materials are available for purchase at the ONLA store.


Certification will be for a period of three years. Certification may be renewed every three years by accumulating five credits of training during the three year period and paying a renewal fee of $25.00 (non-members $50.00). Renewal of Master OCNT status is a flat rate of $50 for ONLA members ($100 for non-members). Credits are given for attendance at seminars, educational programs and other functions from a Certification Committee approved list. 

Certification is held by an individual. Reporting training credits and changes of address or employer is the responsibility of that individual.


 If you have any questions, please feel free to contact Roni at (614) 899-1195 or


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