Below are forms to register for designations currently offered by the Landscape Horticulture Certification Program. 

Certification exams are offered in English only. Complete the appropriate application form and email it to CNLA’s Professional Development Department at

Please Note: The CLHT exam registration grants one-year access to online tests per module registered. Validity period for candidates who register for multiple modules is determined accordingly. Candidates who wish to extend online access for one additional year are required to select the appropriate box in the fees section of the exam registration form, and return their completed form with payment details for the $200 fee applicable. 

The Landscape Horticulture Certification Program is a nationally recognized, industry-developed program that sets and maintains standards for the landscape industry in Canada.