- What the Certified Grounds Technician Credential Actually Is
- Who Runs It and How the Exam Is Delivered
- Eligibility: What You Need Before You Apply
- Fees and Registration Mechanics
- The Mentor Clock: 30 Days to Test, One Year to Finish
- Exam Format, Passing Threshold, and What Is Not Published
- The Seven Content Categories in Depth
- Sequencing Your Prep Around the Seven Categories
- Keeping the Credential: Five Years, 35 CEUs
- Who Values It and Where It Fits in a Career
- Frequently Asked Questions
- The Certified Grounds Technician credential is administered by the Professional Grounds Management Society (PGMS) and tests seven grounds-care content...
- The exam has 50 questions, a 90-minute limit, and an 80% passing threshold.
- Fees run $150 for members, $250 for non-members, or $350 to join and apply; a retest costs $50.
- You must test within 30 days of mentor assignment and finish within one year.
What the Certified Grounds Technician Credential Actually Is
The Certified Grounds Technician credential is a professional certification for people who do the hands-on work of maintaining landscapes: mowing, pruning, irrigating, treating pests, and keeping crews safe. It is offered by the Professional Grounds Management Society and is aimed at the technician level of the grounds profession, not at senior managers or designers.
If you are still sorting out terminology, our explainers on what CGT certification is and what CGT stands for cover the basics. Because several unrelated credentials share this acronym, be sure that any information you read is about the grounds-care credential from PGMS. Details like fees, exam length, and renewal rules differ completely between credentials that happen to share three letters.
This guide focuses on the specifics: how the process works, what is tested, what the paperwork looks like, and what is deliberately left unpublished.
Who Runs It and How the Exam Is Delivered
PGMS administers the certification itself. The exam is taken online with an approved proctor, and every candidate is assigned a mentor who participates in the process. No external testing vendor has been verified for this credential, so you should not expect the usual experience of booking a seat at a commercial testing center. Instead, the process runs through PGMS, your mentor, and your proctor.
Several details about the online format are not verified in the public materials, including whether a calculator is permitted, whether the exam is open-book, whether it is adaptive, and exactly what home-proctoring rules apply. Confirm all of these directly with PGMS and your proctor before exam day rather than assuming.
Eligibility: What You Need Before You Apply
The baseline requirements are straightforward:
- A high-school diploma or GED
- Two years of grounds-maintenance experience
- Education and employment documentation
- Applicable sponsor documentation
Notice what is not on this list: there is no fixed number of formal training hours. The handbook describes mentor review meetings, but it does not set a required training-hour prerequisite. For a deeper walkthrough of qualifying, see our CGT requirements guide.
Fees and Registration Mechanics
The fee structure depends on your PGMS membership status:
| Applicant Type | Fee |
|---|---|
| PGMS member | $150 |
| Non-member | $250 |
| Join PGMS and apply together | $350 |
| Retest | $50 |
The math is worth noticing. If you are not yet a member, the join-and-apply option costs $100 more than the non-member rate, but it gets you membership benefits, and membership also affects the renewal fee later (more on that below). Employers who reimburse certification costs often prefer to pay for the member route. For the full financial picture, including what to budget beyond the exam fee, read our CGT certification cost breakdown.
The $50 retest fee is modest compared with the initial fee, which lowers the financial penalty of a first-attempt miss, though it does not remove the time pressure described next.
The Mentor Clock: 30 Days to Test, One Year to Finish
Two time limits shape your plan. First, you are expected to test within 30 days of mentor assignment. Second, the whole process must be completed within one year. The 30-day window means you should not request a mentor until your study is well underway; otherwise you risk being assigned a mentor and then scrambling to prepare.
Key Takeaway
Do most of your studying before the mentor is assigned. Once the 30-day clock starts, you want to be in review mode, not learning irrigation or turf fundamentals for the first time. Check current scheduling details on our CGT exam dates page and confirm specifics with PGMS.
Exam Format, Passing Threshold, and What Is Not Published
Here is what is confirmed about the exam itself:
- Length: 50 questions
- Time limit: 90 minutes
- Passing threshold: 80%
Ninety minutes for 50 questions works out to a little under two minutes per question, which is a comfortable pace for candidates who know the material and a tight one for those who must reason through unfamiliar scenarios. An 80% threshold on 50 questions means you can miss only a small number of items, so there is little room to skip an entire category.
Several things are not publicly disclosed, and it is better to say so than to guess:
- The split between scored and unscored questions
- The exact mix of item formats
- The pass rate
- Percentage weights for the content categories
Because the pass rate is not published, any number you see quoted online should be treated skeptically. Our pages on what the pass-rate data does and does not show and the CGT passing score explain how to interpret what is available. For a realistic sense of difficulty, see how hard the CGT exam is.
One more note on currency: there is no dated 2026 revision of the exam, and the official handbook contains 2022 annotations. Always download the current handbook from PGMS rather than relying on a third-party summary.
The Seven Content Categories in Depth
PGMS defines seven official content categories. None of the percentage weights are published, and no category is verified as the highest-weighted. That means the sensible strategy is balanced competence across all seven, with extra attention to whichever ones are furthest from your daily work. A full category-by-category treatment lives in our CGT exam domains guide; the summaries below show what each area demands in practice.
Domain 1: Basic Plant Care
The foundation for everything else. Expect questions on how plants grow and what they need to stay healthy.
- Soil, nutrients, and fertilization fundamentals
- Planting and transplanting practices
- Mulching and watering basics
- Recognizing signs of plant stress
Domain 2: Shade Trees
Tree care at the technician level: selecting, planting, pruning, and protecting trees on a property.
- Proper pruning cuts and timing
- Planting depth and establishment care
- Common structural and health problems
- Protecting trees from construction and mower damage
Domain 3: Turf Management
For many candidates this is the most familiar area, but the exam rewards knowing the reasoning behind routine practices.
- Mowing height and frequency
- Fertility and aeration programs
- Cool-season versus warm-season turf considerations
- Weed management and renovation
Domain 4: Shrub and Flower Care
Ornamental bed maintenance, from selection through seasonal upkeep.
- Shrub pruning methods and timing
- Annual and perennial bed care
- Deadheading, division, and seasonal cleanup
- Matching plants to site conditions
Domain 5: Pest and Disease Control
Diagnosing problems and responding appropriately, including knowing when not to spray.
- Identifying insects, diseases, and weeds
- Integrated pest management thinking
- Safe and correct handling of control products
- Cultural practices that prevent problems
Domain 6: Irrigation
Water management is a recurring theme on real grounds crews, and the exam treats it as a distinct skill set.
- System components and how they work together
- Scheduling and efficient water use
- Troubleshooting common failures
- Seasonal startup and winterization concepts
Domain 7: Safety
Safety is its own category rather than an afterthought. Questions here are practical and scenario-driven.
- Equipment operation and protective gear
- Hazard recognition on the job site
- Safe handling of chemicals and fuels
- Working near traffic, slopes, and overhead hazards
Because the specific item-format mix is not verified, prepare for straightforward recall as well as applied questions that describe a situation and ask for the best response. The CGT cheat sheet is a good last-pass review once you have covered the material in depth.
Sequencing Your Prep Around the Seven Categories
Rather than a generic study calendar, sequence your weeks around where the exam is likely to hurt you. Experienced crew members tend to be strong on turf and safety and weaker on pest identification, irrigation hydraulics, and tree biology. Start with the weakest areas while your motivation is highest. A fuller plan is in our CGT study guide.
Basic Plant Care
- Review soils, nutrients, and plant physiology, since later topics build on them
- Gather your employment and sponsor documentation in parallel
Shade Trees and Shrub and Flower Care
- Group these because pruning principles overlap
- Drill planting, pruning timing, and common disorders
Pest and Disease Control and Irrigation
- Spend extra time here if your daily work rarely touches diagnosis or system design
- Practice scenario questions that ask for the best first response
Turf Management, Safety, and full review
- Refresh your strongest areas last
- Take timed practice sets of 50 questions in 90 minutes
- Request your mentor only when you are close to ready
Timed practice matters because of the 90-minute limit. Use our CGT practice tests to rehearse the pacing, and review every missed question by category so you can see whether errors cluster in one domain.
Keeping the Credential: Five Years, 35 CEUs
Certification is valid for five years. To renew, you need 35 continuing education units, with at least 80% of them PGMS-approved. The renewal fee is $100, reduced by $20 for each year of PGMS membership. Maintaining membership therefore directly lowers what you pay to renew, which reinforces the value of choosing the member or join-and-apply route at the start.
| Renewal Element | Requirement |
|---|---|
| Validity period | Five years |
| Continuing education | 35 CEUs |
| PGMS-approved share | At least 80% of CEUs |
| Renewal fee | $100, less $20 per member year |
For the official renewal procedures, consult the PGMS maintaining-certification page directly, since policies can change.
Who Values It and Where It Fits in a Career
The credential is most relevant to people employed in professional grounds care: institutional campuses, corporate and commercial properties, municipal and park systems, and landscape contractors who service them. Hiring managers in these settings often use certification as a signal that a technician understands both the horticultural science and the safety practices behind the work, which can help when competing for crew-lead or supervisory openings. Browse the kinds of roles that mention it on our CGT jobs page.
Pay effects vary by region, employer type, and experience, and no reliable salary figure is attached to the credential itself, so be wary of precise claims. Our salary guide discusses how to think about earnings qualitatively, and the worth-it analysis helps you weigh the roughly $150 to $350 entry cost and ongoing CEU commitment against your own career goals. If you are earlier in your exploration, CGT training options and the broader CGT certification overview are good starting points.
Frequently Asked Questions
The Professional Grounds Management Society (PGMS) administers it. The exam is delivered online with an approved proctor, and each candidate is assigned a mentor.
The exam has 50 questions and a 90-minute time limit. The passing threshold is 80%. The split between scored and unscored questions is not published.
The fee is $150 for PGMS members, $250 for non-members, and $350 to join PGMS and apply together. A retest costs $50.
You need a high-school diploma or GED, two years of grounds-maintenance experience, education and employment documentation, and applicable sponsor documentation. There is no fixed training-hour prerequisite.
That is not publicly verified. PGMS lists seven content categories but does not publish percentage weights, so prepare evenly across Basic Plant Care, Shade Trees, Turf Management, Shrub and Flower Care, Pest and Disease Control, Irrigation, and Safety.