- The Short Answer: What a CGT Is
- Who Runs the Credential and How It Works
- Who Can Apply
- Exam Format at a Glance
- The Seven Content Categories
- Fees and Registration Mechanics
- Mentor Timeline: 30 Days to Start, One Year to Finish
- Where a CGT Fits in the Job Market
- Keeping the Credential Active
- Sequencing Your Preparation
- Frequently Asked Questions
- CGT means Certified Grounds Technician, a credential administered by the Professional Grounds Management Society (PGMS).
- The exam has 50 questions, a 90-minute limit, and an 80% passing threshold.
- Applicants need a high-school diploma or GED plus two years of grounds-maintenance experience.
- Fees run $150 for members, $250 for non-members, or $350 to join and apply; retests cost $50.
The Short Answer: What a CGT Is
A CGT is a Certified Grounds Technician: a professional who has demonstrated working knowledge of landscape and grounds maintenance through a formal certification program. The credential is built for hands-on practitioners, the people who actually keep turf healthy, trees pruned, irrigation running, and campuses and properties safe. It is not a management-level designation and it is not a general horticulture degree. It is a recognized, exam-verified marker that someone with field experience also understands the underlying principles of the work.
The acronym causes confusion because other, unrelated credentials in other industries use the same three letters. On this site, CGT refers only to the grounds-maintenance credential from PGMS. If you have landed here searching for another field's certification, the details below will not apply to it. For other phrasings of the same question, see our explainers on what CGT stands for and the meaning of CGT.
Who Runs the Credential and How It Works
The Professional Grounds Management Society administers the certification. PGMS publishes an official certification handbook and maintains public pages for both the credential itself and the process of maintaining it. The exam is delivered online with an approved proctor, and each candidate is assigned a mentor as part of the process. That mentor component is distinctive: rather than simply registering, paying, and sitting a test, candidates work within a structured program in which a mentor guides and reviews their progress.
If you want the full picture of how the program operates from application to credential, our overview of CGT certification and the more detailed what is CGT certification article walk through each stage.
Who Can Apply
Eligibility is built around real-world experience rather than advanced degrees. To apply, you need:
- A high-school diploma or GED
- Two years of grounds-maintenance experience
- Education and employment documentation supporting those claims
- Sponsor documentation, where applicable
The documentation requirement matters more than many first-time applicants expect. Your application is only as strong as the records behind it, so gather employment history, dates, and any sponsor paperwork early rather than scrambling after you have paid. For a deeper look at qualifying and common paperwork snags, read our CGT requirements guide.
Exam Format at a Glance
The CGT exam is compact compared with many professional certifications, which makes breadth of knowledge more important than endurance.
| Feature | CGT Detail |
|---|---|
| Number of questions | 50 |
| Time limit | 90 minutes |
| Passing threshold | 80% |
| Delivery | Online with an approved proctor |
| Scored vs. unscored split | Not published |
| Question-format mix | Not explicitly verified |
| Pass rate | Not publicly disclosed |
Two practical points follow from these numbers. First, 90 minutes for 50 questions works out to a comfortable pace, so the challenge is rarely speed; it is accuracy across seven distinct subject areas. Second, an 80% threshold is demanding. On a 50-question exam, that leaves very little room for gaps, which is why uneven preparation tends to hurt. A candidate who is excellent at turf but weak on irrigation and safety can easily fall short. Our CGT passing score article explains what the threshold means in practice, and how hard the CGT exam is addresses difficulty honestly given what PGMS does and does not disclose.
The Seven Content Categories
PGMS organizes the exam into seven official content categories. The percentage weights are not published, and no category has been verified as carrying the most weight, so treat every area as potentially significant. Here is what each one covers in practical terms.
1. Basic Plant Care
The foundation that the other categories build on: how plants grow and what they need to stay healthy.
- Plant growth requirements and common signs of stress
- Soil basics, fertility, and amendments
- Planting, mulching, and general maintenance practices
2. Shade Trees
Knowledge of tree care in landscape settings, where both tree health and public safety are at stake.
- Pruning principles and appropriate timing
- Tree establishment and ongoing care
- Recognizing structural and health problems
3. Turf Management
Turf is the backbone of many grounds programs, so expect questions grounded in day-to-day lawn and field care.
- Mowing practices and cultural care
- Fertilization and overall turf health
- Diagnosing common turf problems
4. Shrub and Flower Care
Ornamental plantings require different judgment than turf or trees.
- Pruning and maintenance of shrubs
- Seasonal and bedding plant care
- Bed preparation and upkeep
5. Pest and Disease Control
Identification and response, with an emphasis on making sound decisions rather than reaching for a product by reflex.
- Recognizing insect, weed, and disease problems
- Understanding control approaches and their appropriate use
- Safe, responsible handling of control materials
6. Irrigation
Water management is a recurring operational concern on nearly every property.
- System components and how they work together
- Scheduling and efficient water use
- Spotting and troubleshooting common system problems
7. Safety
Safety rounds out the list and reflects the physical, equipment-heavy nature of grounds work.
- Safe operation of tools and equipment
- Protective practices on the job site
- Hazard awareness for crews and the public
The seven areas span biology, equipment, chemistry, water, and risk management, which is why the credential suits generalists who have worked across a property rather than specialists in a single task. Our complete guide to the CGT exam domains goes deeper on each category.
Fees and Registration Mechanics
The fee structure rewards PGMS membership, and the right option depends on whether you already belong.
| Option | Fee |
|---|---|
| PGMS member | $150 |
| Non-member | $250 |
| Join PGMS and apply | $350 |
| Retest | $50 |
The $50 retest fee is modest, but it should not be treated as a plan. Preparing to pass the first time saves both money and the momentum you build during the mentor process.
Mentor Timeline: 30 Days to Start, One Year to Finish
The CGT process runs on a clock that is easy to overlook. Once a mentor is assigned, you are expected to test within 30 days, and the full certification process must be completed within one year. That 30-day window means you should have your study materials and review plan largely in place before your mentor is assigned, not after. Candidates who treat the mentor assignment as the starting gun for studying can find the window tighter than expected.
Scheduling specifics can shift, so check current availability and deadlines through PGMS and our CGT exam dates guide.
Where a CGT Fits in the Job Market
The credential is aimed at people doing the practical work of maintaining landscapes and grounds. Typical settings include:
- Colleges, universities, and school districts
- Municipal parks and public-works departments
- Corporate campuses and commercial properties
- Healthcare campuses, golf courses, and sports facilities
- Landscape maintenance contractors
For technicians, certification can help signal competence to employers, support advancement into crew-lead or supervisory roles, and give a structured way to document knowledge gained on the job. We do not cite specific salary figures here because PGMS does not publish earnings data tied to the credential; for a qualitative treatment of pay and career movement, see our CGT salary guide, the CGT jobs overview, and our analysis of whether the CGT is worth it.
Keeping the Credential Active
The CGT is valid for five years. To renew, you need 35 continuing education units (CEUs), and at least 80% of those must come from PGMS-approved activities. The renewal fee is $100, reduced by $20 for each year you have been a PGMS member. Under that formula, a long-term member pays considerably less than someone who joined at renewal time.
The practical lesson is to plan CEUs across the five years instead of cramming them at the end. Because the large majority must be PGMS-approved, check approval status before you invest time and money in a course or event. PGMS maintains a dedicated page on maintaining certification, and it is the authoritative place to verify current renewal rules.
Sequencing Your Preparation
Because the exam spans seven content categories with no published weights, a balanced approach beats a lopsided one. A sensible sequence builds from fundamentals to applied topics and saves risk-related material for the final pass, when you can review it with everything else fresh. The outline below assumes a four-week run-up and pairs well with the checklist-style review in our CGT cheat sheet.
Foundations
- Basic Plant Care, since the concepts here underpin every other category
- Shrub and Flower Care, which reuses the same growth and pruning principles
Large-Scale Landscape
- Turf Management
- Shade Trees
Systems and Problem-Solving
- Irrigation, covering components and scheduling
- Pest and Disease Control, tying diagnosis back to plant and turf health
Safety and Full Review
- Safety, then a timed run through 50 mixed questions in 90 minutes
- Revisit your weakest category until your practice results sit comfortably above 80%
For a more complete method, including how to build review habits around the mentor timeline, see our CGT study guide, and when you are ready to test your recall under realistic conditions, try the practice questions on our CGT practice test site. Candidates curious about preparation resources beyond question banks can also look at our CGT training overview.
Frequently Asked Questions
CGT stands for Certified Grounds Technician, a credential administered by the Professional Grounds Management Society (PGMS). It verifies knowledge across seven categories, from plant care and turf to irrigation and safety.
You need a high-school diploma or GED and two years of grounds-maintenance experience, supported by education and employment documentation. Sponsor documentation may also apply. The process includes an assigned mentor who reviews your progress.
The exam has 50 questions with a 90-minute limit, and the passing threshold is 80%. PGMS does not publish a pass rate or the exact mix of question formats, so prepare broadly across all seven categories.
The fee is $150 for PGMS members, $250 for non-members, or $350 to join and apply together. A retest costs $50. Renewal is a separate $100 fee, reduced by $20 for each year of PGMS membership.
The credential is valid for five years. Renewal requires 35 CEUs, with at least 80% coming from PGMS-approved activities, plus the renewal fee. Plan your CEUs across the five years rather than waiting until the deadline approaches.
In short, a CGT is a structured, exam-backed way for working grounds professionals to prove what they know. If you meet the experience requirements and prepare evenly across all seven categories, it is an achievable credential, and our related guides on pass rate information and what CGT is can help you decide your next step.