The NHCLP designation provides credibility that helps customers choose who to work with in an industry with a wide range of skills and competencies. An NHCLP must commit to continuing education to learn the latest industry developments, newest products, and best practices. They go the extra mile to make sure their customers are successful.

The Advantages of Certification

  • Education in many areas of landscaping including plant identification, current methods and ideas, policies and professionalism.
  • Certification opens doors with potential clients and employers.
  • A better professional image in the eyes of the customer through the use of the NHLA Certified Landscape Professional logo.
  • Separate listings of Certified Professionals in the NHLA directory, the website, and flyers.
  • A professional advantage on bid work
  • Personal growth
  • Every NHCLP is backed up by a network of other capable, certified industry professionals dedicated to setting the highest standards of service.

Steps to Certification

The following three steps must be take in order to earn certification:

  1. Fill out the form below to register for the exam.
  2. If you are paying by check/invoice, mail the exam fee ($120 for NHLA members; $150 for non-members; the fee for taking one part of the exam is $60 for members and $75 for non-members).
  3. Take an exam.
    The written and Plant ID portions of the NHCLP Exam are offered in March and September. Advance registration is required.
    2024 Certification Exam:
    Exam Date/Time:
    September 21, 2024, 1-4 pm (The written portion only will be offered on that date. The written portion of the exam is based on the NHCLP Manual.)
    Location: Millican Nurseries, 187 Pleasant St, Chichester
    Exam Registration: Prospective NHCLPs must register for the exam by September 14, 2024.

The NHCLP exam is based on the NHLA Certification Manual. The manual, as a pdf file on a thumb drive, is included in your certification application fee. All the exam questions come directly from the manual so a comprehensive study of the manual is highly recommended. Please see information about our Manual Review Course (link below)

If you would like to receive a manual without registering for the exam they can be purchased by sending a check for $30.00, made payable to NHLA to: Abby Zuidema, NHLA Certification Coordinator, c/o Pam Moreau, 13 Rancourt Street, Nashua, NH 03064.

If you have questions, please contact the NHLA Certification Coordinator, Abby Zuidema, 603-502-4894,

Certification Resources

View Manual Review Course Information

The Manual Review Course is for NHCLP Exam preparation, covering material from the Certification Manual. The 2024 course discusses topics like Botany, Plant Identification, Turf, and Landscape Design.

Plant Identification Summer Course

The Plant Identification Summer Course teaches plant identification basics, including all listed plants. Designed for newcomers and those with limited plant knowledge, it covers methods, families, and common landscape materials.

Sample Exam Questions

Dive into our Sample Exam Questions page for a hands-on grasp of landscaping concepts. Test your knowledge on plant names, leaf issues, fertilizers, pruning, safety, and more and solidify your understanding of essential landscape topics.

Download Our Plant List

Discover our comprehensive Plant List for a wealth of botanical knowledge. With species details, scientific and common names, native indications, and invasive classifications, this resource is your gateway to understanding various plants.

Certification Via Reciprocity

Certification via reciprocity lets certified individuals in another New England State obtain equivalent certification in New Hampshire. Complete the Application for Landscape Certification Reciprocity, adhere to the Code of Ethics, and submit to NHLA.