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Top 10 Gardener Certifications

Photo of Brenna Goyette
Brenna Goyette
Certified Professional Resume Writer, Career Expert

Updated 17 min read

Certifications are important for a gardener in the job market because they demonstrate to potential employers that the individual has a certain level of knowledge and experience related to gardening. Certifications can also give gardeners an advantage over other applicants who do not possess them. Additionally, certifications may provide access to higher paying positions and opportunities for advancement within their field. Finally, having certifications can help gardeners stand out from the competition when applying for jobs.

The purpose of this article is to provide an overview of the most important certifications for Gardeners and explain how they can help advance a gardener's career.

What are Gardener Certifications?

Gardener certification is a professional designation that recognizes the knowledge and skills of experienced gardeners. It is awarded to those who have completed an approved program of study, generally including both classroom instruction and hands-on experience in horticulture. Certification can be obtained from numerous organizations, including state or local horticultural societies, universities, and other educational institutions.

Having a certified gardener on staff or working for your business can provide many benefits. Certified gardeners are knowledgeable about the best practices for planting, cultivation, and pest control. They understand the importance of soil health and can help you create a sustainable landscape that will thrive for years to come. Certified gardeners are also well-versed in the latest techniques for using natural resources such as composting and rainwater capture systems to reduce water usage and conserve energy. Additionally, certified gardeners understand how to properly identify plants so they can recommend appropriate species for different climates and conditions.

Ultimately, having a certified gardener on your team ensures that your landscape will be maintained with expertise and care. Certified gardeners are reliable professionals with an understanding of how to keep landscapes healthy while protecting the environment at the same time.

Pro Tip: If you are considering becoming a certified gardener, make sure to research the certifications available in your area. Different states and municipalities may have different requirements for certification, so it’s important to ensure that you understand the requirements before committing to any program.

Related: What does a Gardener do?

Top 10 Gardener Certifications

Here’s our list of the best certifications available to Gardeners today.

1. Certified Professional Landscape Technician (CPLT)

Certified Professional Landscape Technician (CPLT) is a professional certification program offered by the Professional Landcare Network (PLANET). It is designed to recognize individuals who have achieved a high level of proficiency in the field of landscape design, installation, maintenance, and management. The certification requires a combination of knowledge and experience in the areas of landscape design, construction, horticulture, turfgrass management, pest control, irrigation systems, and business management.

It typically takes two to three years to complete all the requirements for CPLT certification. To become certified, applicants must pass an exam that covers topics such as plant identification and selection; soil science; irrigation system design and installation; turfgrass management; pest control; landscape design principles; safety practices; business planning and management; and customer service. Applicants must also have at least two years of verifiable work experience in the green industry.

The cost of becoming CPLT certified varies depending on the individual's experience level. The cost includes an application fee of $50 plus an examination fee of $200 for those with no prior experience or $100 for those with prior experience. Additionally, there may be additional fees associated with completing any required coursework or attending workshops or seminars related to CPLT certification.

2. Certified Landscape Professional (CLP)

Certified Landscape Professional (CLP) is a professional certification program designed to recognize and promote excellence in the landscape industry. It is offered by the Professional Landcare Network (PLANET), an organization that promotes the highest standards of professionalism in the green industry.

The CLP program consists of two levels: Certified Landscape Technician (CLT) and Certified Landscape Professional (CLP). The CLT level is designed for those who are new to the landscape industry, while the CLP level is designed for experienced professionals. Both levels require successful completion of a comprehensive exam as well as continuing education requirements.

To become certified at either level, applicants must first complete an application form and submit it along with a fee and proof of experience or education. Applicants must then pass both a written and practical exam administered by PLANET. The written exam covers topics such as plant identification, soil science, pest management, irrigation systems, landscape design, installation methods, maintenance practices and business management principles. The practical exam tests hands-on skills related to landscape construction techniques and maintenance practices.

The cost for becoming certified varies depending on which level you are seeking certification at. For the CLT level, it costs $150 to apply plus $150 for each test you take; for the CLP level it costs $250 to apply plus $250 for each test you take. Additionally, there are fees associated with maintaining your certification status through continuing education credits every three years.

Overall, becoming certified as a CLP can be a great way to demonstrate your commitment to excellence in the landscape industry and set yourself apart from other professionals in your field.

3. Certified Horticultural Technician (CHT)

A Certified Horticultural Technician (CHT) is a professional designation that recognizes an individual’s expertise in horticulture. The CHT credential is awarded by the American Society for Horticultural Science (ASHS), a non-profit organization dedicated to advancing the science and practice of horticulture.

The CHT certification process involves completing an application, passing a written exam, and demonstrating knowledge of horticultural principles, practices, and techniques. The exam consists of 150 multiple-choice questions covering topics such as plant identification, soil science, pest management, landscape design, and plant nutrition.

The entire certification process can take up to six months to complete. Candidates must first submit an application and pay the required fee before taking the written exam. After passing the exam, candidates must then demonstrate their skills in a practical setting. This includes completing a project or portfolio that demonstrates their knowledge of horticulture principles and practices.

The cost for becoming certified varies depending on the applicant’s level of experience and education. Generally speaking, it costs around $400-$600 to become certified as a CHT.

4. Certified Organic Land Care Professional (COLCP)

Certified Organic Land Care Professional (COLCP) is a certification offered by the Organic Land Care Program (OLCP). It is designed to recognize individuals who have demonstrated an understanding of organic land care practices and principles, as well as the ability to apply them in their work. The COLCP designation is intended for professionals who provide services related to land care such as landscaping, lawn care, and tree care.

To become a Certified Organic Land Care Professional, applicants must complete a series of courses and exams administered by the OLCP. The program consists of four core courses: Introduction to Organic Land Care; Soil Science; Plant Identification and Selection; and Integrated Pest Management. Each course requires approximately 30 hours of study time, with exams at the end of each course. Upon successful completion of all four courses and exams, applicants will receive their COLCP certification from the OLCP.

The cost for the COLCP program varies depending on where you take it. Generally speaking, the total cost for all four courses ranges from $400-$600 USD.

5. Certified Turfgrass Professional (CTP)

A Certified Turfgrass Professional (CTP) is a professional designation that recognizes individuals who have demonstrated a high level of knowledge and experience in turfgrass management. The CTP program is administered by the Professional Grounds Management Society (PGMS).

In order to become certified, individuals must complete an application process which includes passing an exam. The exam consists of questions related to turfgrass management, including topics such as soil science, plant physiology, pest control, irrigation, and more. Applicants must also have at least five years of experience in the field of turfgrass management.

The application process can take up to six months to complete. Once approved, applicants receive their certification and are eligible for various benefits such as discounts on continuing education courses and access to exclusive job opportunities.

The cost of the CTP program varies depending on the applicant's country of residence. In the United States, the fee is $395 USD for PGMS members and $495 USD for non-members.

6. Certified Arborist (CA)

A Certified Arborist (CA) is a professional who has achieved a level of knowledge in the art and science of tree care through experience and by passing an extensive examination developed by some of the nation’s leading experts on tree care. The International Society of Arboriculture (ISA) administers the certification program, which is based on a comprehensive body of knowledge and practice in the field.

It typically takes about two years to become a Certified Arborist. During this time, applicants must gain at least three years of full-time experience in arboriculture or related fields, such as forestry or horticulture. Applicants must also complete at least 30 hours of continuing education in arboriculture topics during their two-year period. Once these requirements are met, they can apply to take the ISA Certified Arborist Exam.

The exam consists of 150 multiple-choice questions covering topics such as tree biology, diagnosis and treatment, pruning techniques, tree selection and planting, hazard assessment and management, soil management and fertilization, pest management, cabling and bracing systems, lightning protection systems, urban forestry practices and more. The exam fee is $150 for ISA members or $200 for non-members.

Once applicants pass the exam with a score of 70% or higher they will be awarded their CA designation from ISA. They must then maintain their certifications by completing at least 30 hours of continuing education every three years to remain certified.

7. Certified Sustainable Landscape Professional (CSLP)

Certified Sustainable Landscape Professional (CSLP) is a certification program developed by the Sustainable Sites Initiative (SITES). It is designed to provide landscape professionals with the knowledge and skills necessary to design, build, and maintain sustainable landscapes. The CSLP certification recognizes individuals who have demonstrated a commitment to sustainability in their work.

The CSLP program consists of three levels: Certified Professional, Advanced Professional, and Master Professional. The Certified Professional level requires applicants to demonstrate basic knowledge of sustainable landscape practices through an online exam. The Advanced Professional level requires applicants to demonstrate advanced knowledge of sustainable landscape practices through a combination of an online exam and portfolio submission. The Master Professional level requires applicants to demonstrate mastery of sustainable landscape practices through a combination of an online exam, portfolio submission, and case study review.

It typically takes between 6 months and 1 year for individuals to complete the CSLP program depending on their current level of experience. To get certified, individuals must first register for the program and then complete all required components within the designated timeframe.

The cost for the CSLP program varies depending on the level of certification being sought. For example, the cost for the Certified Professional Level is $250 USD while the cost for the Master Professional Level is $1,000 USD.

8. Certified Plant Health Care Specialist (CPHCS)

A Certified Plant Health Care Specialist (CPHCS) is a professional certification that recognizes individuals who have achieved a high level of expertise in the field of plant health care. It is designed to recognize those who have specialized knowledge and experience in the diagnosis, treatment, and maintenance of plants. The certification is offered by the International Society of Arboriculture (ISA).

To become certified as a CPHCS, applicants must meet certain educational and experience requirements. Applicants must have at least three years of documented experience in the field of plant health care or related disciplines, including two years in a supervisory role. They must also demonstrate their knowledge through passing an exam administered by ISA.

The cost for the CPHCS certification process varies depending on the country you are applying from but typically ranges from $500-$1,000 USD. The exam itself costs $200 USD. Once all requirements are met, it takes approximately six weeks to receive your certification after submitting your application materials.

9. Certified Sustainable Horticulture Professional (CSHP)

Certified Sustainable Horticulture Professional (CSHP) is a professional certification program for horticultural professionals who want to demonstrate their commitment to sustainable horticulture practices. The program is administered by the American Society for Horticultural Science (ASHS).

The CSHP program consists of three components: a written exam, practical experience, and an oral exam. To become certified, applicants must pass all three components.

The written exam consists of 100 multiple-choice questions that cover topics such as soil science, plant nutrition, pest management, and environmental stewardship. The exam takes approximately two hours to complete and costs $150.

For the practical experience component, applicants must have at least five years of full-time work experience in horticulture or related fields. They must also submit a portfolio that includes evidence of their work experience and any other relevant qualifications they may possess.

The oral exam is conducted by a panel of ASHS-certified professionals and covers topics such as sustainable horticultural practices, greenhouse management, plant propagation techniques, and landscape design principles. It takes approximately one hour to complete and costs $200.

In total, it can take up to six months to become certified as a CSHP. The cost for the entire certification process is $350.

10. American Society for Horticultural Science Certification in Ornamental Plant Maintenance and Management (ASHS-COPMM).

The American Society for Horticultural Science (ASHS) Certification in Ornamental Plant Maintenance and Management (ASHS-COPMM) is an industry-recognized certification program that provides professional recognition to those who demonstrate a high level of knowledge and skill in the maintenance and management of ornamental plants. The ASHS-COPMM certification is designed to recognize individuals who have achieved a high level of proficiency in the care and management of ornamental plants, including trees, shrubs, ground covers, vines, perennials, annuals, bulbs, and other ornamental plants.

The ASHS-COPMM certification requires applicants to complete a comprehensive exam that covers topics such as plant identification, soil science, pest control, pruning techniques, fertilization practices, irrigation systems design and installation, landscape design principles and practices, plant propagation methods and techniques. The exam consists of multiple choice questions as well as short answer questions.

It typically takes about six months to complete the requirements for certification. Applicants must first apply for the program by submitting an application form with required documents such as transcripts from an accredited college or university showing completion of at least three courses in horticulture or related fields; proof of work experience in the field; letters of recommendation; and a written statement expressing why they are interested in obtaining the certification. Once accepted into the program applicants must then register for the exam which is administered twice per year (spring and fall).

The cost for taking the exam is $200 plus any applicable taxes or fees. After passing the exam applicants will receive their official ASHS-COPMM certificate which is valid for five years before needing to be renewed.

Do You Really Need a Gardener Certificate?

Gardening is a rewarding and fulfilling hobby. It can be both an enjoyable pastime and a productive way to make your outdoor space look better and add value to your property. Many people choose to pursue gardening as a profession, but before you can do so, you may need to obtain a gardener certificate.

A gardener certificate is an official document that shows proof of training in the field of gardening. It demonstrates that you have the necessary knowledge, skills, and qualifications for the job. The certificate provides evidence of your understanding of basic gardening principles such as soil preparation, pest control, plant health care, and watering techniques. A gardener certificate also proves that you have completed safety training and are aware of any potential hazards associated with gardening activities. With this certification, you will be able to work professionally in a variety of settings including private gardens, public parks, nurseries, greenhouses, and commercial landscaping companies.

The decision whether or not to obtain a gardener certificate comes down to personal preference. If you are interested in pursuing gardening as a career or working professionally as a gardener then it would be beneficial for you to obtain this certification. However, if you simply enjoy gardening as a hobby then it is not necessary for you to get the certification unless it is required by your employer or local regulations.

Overall, obtaining a gardener certificate can provide valuable benefits for those who wish to pursue professional gardening opportunities. It shows potential employers that you have the necessary skills and qualifications they are looking for in an employee while also proving that you understand the importance of safety when handling plants and garden tools. Whether or not getting this certification is right for you depends on how serious or involved you want to be with your gardening pursuits.

Related: Gardener Resume Examples

FAQs About Gardener Certifications

1. What is a Gardener Certification?

Answer: A Gardener Certification is an official recognition of a gardener's knowledge and experience in gardening. It demonstrates that the gardener has the skills and qualifications necessary to provide professional gardening services.

2. How do I become certified as a gardener?

Answer: To become certified as a gardener, you must complete an approved training program or apprenticeship, pass an exam, and meet any other requirements set by your state or local government.

3. Are there different levels of certification for gardeners?

Answer: Yes, some states offer different levels of certification for gardeners depending on their level of experience and education. For example, some states offer basic, intermediate, and advanced certifications for gardeners.

4. How long does it take to become certified as a gardener?

Answer: The length of time it takes to become certified depends on your state’s certification process and the type of training program you choose to pursue. Generally speaking, most people can expect to complete the process within a few months to one year.

5. What are the benefits of becoming a certified gardener?

Answer: Becoming a certified gardener can open up more job opportunities, give you access to better pay rates, help you build credibility with potential clients, and provide you with additional resources and support from professional organizations.

Editorial staff

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Editor

Brenna Goyette

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Brenna is a certified professional resume writer, career expert, and the content manager of the ResumeCat team. She has a background in corporate recruiting and human resources and has been writing resumes for over 10 years. Brenna has experience in recruiting for tech, finance, and marketing roles and has a passion for helping people find their dream jobs. She creates expert resources to help job seekers write the best resumes and cover letters, land the job, and succeed in the workplace.

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