(CLA) Certified Landscape Architect Practice Test

β–Ά

CLA Practice Test

Updated for October 2026
Homeβ€ΊCLA

The field of landscape architecture is an exciting blend of design, environmental stewardship, and planning. Becoming a Certified Landscape Architect (CLA) offers professionals validation of their expertise and opens doors to a range of career opportunities. This guide outlines what aspiring landscape architects need to know about certification, job prospects, salary expectations, educational requirements, and more. Practice with the free Certified Landscape Architect practice test on PracticeTestGeeks (9 questions with answer explanations).

Candidates preparing for nyle will find our NYLE landscape architect exam 2026 essential for mastering the exam content, format, and scoring criteria.

CLA: upcoming dates and official changes

Facts verified Oct 21, 2026 against Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio. Dates that have passed are removed automatically.

Facts verified Oct 21, 2026 against Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio. Dates that have passed are removed automatically.

CLA Exam at a Glance

ItemDetailOfficial source
Time limit3 hours per section (3Β½ hours seat time)Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Passing scoreScaled score of 650 per sectionCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Exam fee$545 per section, per attemptCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Retake policyRetake only failed sections; some jurisdictions limit retakesCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
ValidityAccepted by all CLARB jurisdictions for lifeCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
RenewalCLARB Record renews annually (required while taking the L.A.R.E.)Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
DeliveryPSI test center or online proctoringCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
EligibilityVaries by jurisdiction; CLARB Record requiredCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Score releaseProvisional on test day; final 4–6 weeks after window closesCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Score release (Winter 2026)Late January 2027Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Late registration deadline (Spring 2027)March 10, 2027 (last day to register/schedule/cancel)Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Registration deadline (Winter 2026)November 24, 2026 (register/schedule/cancel)Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Registration opens (Spring 2027)Late January 2027Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Registration opens (Winter 2026)Open nowCouncil of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Testing window (Summer 2027)July 26 – August 11, 2027 (register by July 7; registration opens mid-May)Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio
Testing window (Winter 2026)November 30 – December 16, 2026Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio

Facts verified Oct 21, 2026 against Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio. Dates that have passed are removed automatically.

Free Certified Landscape Architect Study Tools

Interactive Certified Landscape Architect resources on PracticeTestGeeks, free to start:

CLA Practice Test Questions

Prepare for the CLA - Certified Landscape Architect exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.

CLA Grading & Drainage
CLA Exam Questions covering CLA Grading & Drainage. Master CLA Test concepts for certification prep.
CLA Hardscape & Materials
Free CLA Practice Test featuring CLA Hardscape & Materials. Improve your CLA Exam score with mock test prep.
CLA Irrigation & Water Management
CLA Mock Exam on CLA Irrigation & Water Management. CLA Study Guide questions to pass on your first try.
CLA Plant Materials & Horticulture
CLA Test Prep for CLA Plant Materials & Horticulture. Practice CLA Quiz questions and boost your score.
CLA Professional Practice & Ethics
CLA Questions and Answers on CLA Professional Practice & Ethics. Free CLA practice for exam readiness.
CLA Construction Documentation & Implement...
CLA Mock Test covering Construction Documentation & Implementation in Certified Landscape Architect (CLA Practice Test Exam). Online CLA Test practice with instant feedback.
CLA Environmental Sustainability & Management
Free CLA Quiz on Environmental Sustainability & Management. CLA Exam prep questions with detailed explanations.
CLA Landscape Design & Aesthetics
CLA Practice Questions for Landscape Design & Aesthetics. Build confidence for your CLA certification exam.
CLA Land Use Regulations & Zoning Law
CLA Test Online for Land Use Regulations & Zoning Law. Free practice with instant results and feedback.
CLA Site Analysis & Planning
CLA Study Material on Site Analysis & Planning. Prepare effectively with real exam-style questions.

Key Takeaways

Free CLA Practice Test Online

Understanding the Landscape Architect Salary

The salary of a landscape architect varies based on location, experience, and specific areas of specialization. In the U.S., the average annual salary for landscape architects was around $70,000 to $90,000 as of recent data, with experienced architects in urban or highly specialized roles often earning significantly more. Here are a few factors that impact the salary range for CLAs:

Becoming a CLA not only provides credibility but can also contribute to earning potential by distinguishing certified professionals from their non-certified peers.

Career Opportunities: Landscape Architect Jobs

A career as a landscape architect provides a variety of job opportunities across multiple industries. Certified Landscape Architects are often employed by architectural firms, government agencies, environmental organizations, and urban planning departments. Some of the most common roles and settings for landscape architects include:

Start Practice Test

The Role of a Landscape Architect: What Does a Landscape Architect Do?

Landscape architects work to enhance the functionality, sustainability, and visual appeal of outdoor spaces. Their projects range from urban parks and campuses to highways and residential communities. Some of the primary responsibilities of landscape architects include:

Educational Requirements: Landscape Architect Degree

To become a CLA, individuals typically need a professional degree from an accredited landscape architecture program. The most common degrees are a Bachelor of Landscape Architecture (BLA) or a Master of Landscape Architecture (MLA). Degree programs usually cover topics such as:

Design Skills: Landscape Architect Design Essentials

Designing landscapes requires a unique combination of artistic vision, technical skills, and environmental knowledge. As a CLA, honing these skills becomes crucial, as design is the core of the profession. Key design skills that landscape architects should develop include:

Design skills not only impact project aesthetics but also enhance their functionality and sustainability. Architects who incorporate advanced technology and sustainable practices stand out, especially as environmental considerations become increasingly important in modern projects.

Conclusion

The path to becoming a Certified Landscape Architect involves rigorous education, professional certification, and a commitment to lifelong learning. Certified professionals in this field enjoy a range of career opportunities, from urban planning and environmental conservation to private design firms. As the demand for sustainable and functional outdoor spaces continues to grow, CLAs have the opportunity to impact communities positively and earn a rewarding income in a fulfilling career.

Whether you’re just starting your journey or seeking to advance your career, the CLA credential sets you apart, demonstrating your dedication and expertise in landscape architecture.

Pros

  • Industry-recognized credential boosts your resume
  • Higher earning potential (10-20% salary increase on average)
  • Demonstrates commitment to professional development
  • Opens doors to advanced career opportunities

Cons

  • Exam preparation requires significant time investment (4-8 weeks)
  • Certification fees can be $100-$400+
  • May require continuing education to maintain
  • Some employers may not require certification

Sample Certified Landscape Architect Practice Questions

Try these questions from our free Certified Landscape Architect practice tests. The correct answer and an explanation follow each question.

  1. A landscape architect specifies Class B topsoil to a depth of 12 inches in planting beds. Which characteristic best defines Class B topsoil per most state and ASLA standards?

    • A. Sandy loam with organic matter above 10%
    • B. Loam or sandy loam with 2–5% organic matter and pH 5.5–7.0
    • C. Clay soil amended with perlite
    • D. Recycled compost blended with native subsoil

    Answer: B. Loam or sandy loam with 2–5% organic matter and pH 5.5–7.0

    Class B topsoil is commonly defined as loam or sandy loam with 2–5% organic matter and a pH range of 5.5–7.0, suitable for most planting applications.

  2. A landscape architect specifies 'negative space' in a plaza design. What does this refer to?

    • A. Areas designated for shade structures
    • B. Open, unoccupied areas that define or enhance featured elements
    • C. Below-grade utility zones
    • D. Spaces with negative grading slopes

    Answer: B. Open, unoccupied areas that define or enhance featured elements

    Negative space is the intentional void or open area around and between design elements that gives them visual definition and breathing room.

  3. How can a landscape architect ensure regulatory compliance during construction?

    • A. By ignoring building codes.
    • B. By ensuring the project adheres to local regulations and standards
    • C. By bypassing environmental laws.
    • D. By reducing project timelines.

    Answer: B. By ensuring the project adheres to local regulations and standards

    Regulatory compliance is non-negotiable in construction to ensure safety, environmental protection, and legal adherence. Landscape architects must thoroughly understand and ensure their projects meet all local building codes, zoning ordinances, environmental laws, and accessibility standards. This prevents legal issues, avoids costly delays, and ensures public welfare.

  4. A landscape architect designing a constructed wetland for tertiary wastewater treatment should prioritize which plant community?

    • A. Upland prairie grasses
    • B. Emergent macrophytes such as cattails and bulrush
    • C. Xeric shrubs and cacti
    • D. Floating aquatic ferns only

    Answer: B. Emergent macrophytes such as cattails and bulrush

    Emergent macrophytes in constructed wetlands absorb nutrients and support microbial communities that break down pollutants through biological and physical processes.

Take the full Certified Landscape Architect practice test

(CLA) Certified Landscape Architect Questions and Answers

What is the Certified Landscape Architect (CLA) certification?

The CLA certification is a professional credential that validates expertise in landscape architecture, awarded to individuals who complete an accredited degree, gain work experience, and pass the LARE.

How long does it take to become a Certified Landscape Architect?

It typically takes 4-5 years to complete a degree program in landscape architecture and additional years to meet experience and certification requirements, totaling around 7-10 years.

Do landscape architects need to be licensed?

Yes, most states require landscape architects to obtain licensure by passing the LARE and meeting experience requirements to practice independently.

What is the average salary for a Certified Landscape Architect?

The average salary for landscape architects in the U.S. ranges from $70,000 to $90,000, with certified and experienced professionals in certain specializations earning more.

What is the passing score for the CLA?

To pass each L.A.R.E. section, candidates need a scaled score of at least 650. (Verified Oct 21, 2026 against Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio.)

How much does the CLA cost?

Each of the four L.A.R.E. sections costs $545 per attempt, paid to CLARB in U.S. dollars. (Verified Oct 21, 2026 against Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio.)

When is the next CLA testing window?

The Summer 2027 L.A.R.E. will be given from July 26 to August 11, 2027, with a July 7, 2027 deadline to register, schedule or cancel. (Verified Oct 21, 2026 against Council of Landscape Architectural Registration Boards (CLARB): owner of the Landscape Architect Registration Examinatio.)
β–Ά Start Quiz