This website uses cookies to store information on your computer. Some of these cookies are used for visitor analysis, others are essential to making our site function properly and improve the user experience. By using this site, you consent to the placement of these cookies. Click Accept to consent and dismiss this message or Deny to leave this website. Read our Privacy Statement for more.
Contact Us   |   Print Page   |   Report Abuse   |   Sign In   |   Join Now
Become an OCNT
Share |

Quick Links 


OCNT Rules & Regulations

Purchase OCNT Study Materials


OCNT Exams


Exams are offered monthly at ONLA's office, located at 72 Dorchester Sq., Westerville, Ohio, 43081.  Do you have multiple employees who would like to take an exam? Contact to discuss testing at your facility.


All exams begin at 9:00 am.


Thursday, August 20, 2020

Thursday, September 17, 2020

Thursday, October  15, 2020

Thursday, November 19, 2020


Download a 2020 Test Application


Eligibility Requirements

Anyone may purchase OCNT study manuals. However, to take the examination and be granted Ohio Certified Nursery Technician status (upon obtaining a passing grade) you meet one of the following pre-requisites:

  • Worked 1,000 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 education program, i.e. college or high school, OR
  • Worked 1,500 hours as a volunteer in the green industry at an arboretum or botanical garden, or as a master gardener.



OCNT examinations are based on material in the Garden Center, Grower and Landscape + Core Training Manuals, as well as practical application of that material.

Purchase OCNT Study Materials

Exam Fees

Exams are $35.00 ($70.00 for non-members). Retesting is $30.00 ($60.00 for non-members) per exam.  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 is valid for 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 $50 for ONLA members ($100 for non-members). Learn more about renewing your OCNT status.

Association Management Software Powered by YourMembership  ::  Legal