Course outline
Module 1
Module 1: Foundations of Landscape Architecture
Foundations of Landscape Architecture
Knowledge check
Q1. Which field of study is most central to the discipline of landscape architecture?
- A. Structural engineering
- B. Site design and the planning of outdoor spaces ✓
- C. Interior furniture design
- D. Civil surveying of property boundaries
Why: Landscape architecture focuses on the design, planning, and management of outdoor spaces, integrating natural and built elements. Structural engineering and surveying support the work but are not its core focus, and interior design concerns indoor spaces.
Q2. Who is widely regarded as the founder of landscape architecture as a profession in the United States?
- A. Frank Lloyd Wright
- B. Frederick Law Olmsted ✓
- C. Le Corbusier
- D. Capability Brown
Why: Frederick Law Olmsted, along with Calvert Vaux, designed Central Park in New York and is considered the father of American landscape architecture. Capability Brown was an influential British landscape designer but not the American founder, and Wright and Le Corbusier were architects.
Q3. What does the term 'genius loci' refer to in landscape architecture?
- A. The legal ownership of a public park
- B. The unique spirit or character of a particular place ✓
- C. A type of drainage system
- D. The national plant species of a region
Why: Genius loci is a Latin phrase meaning 'spirit of the place.' Landscape architects strive to respect and enhance the distinctive character of a site, including its history, topography, and natural features.
Q4. Which of the following is an example of a hard landscape element?
- A. A lawn of turf grass
- B. A flowering shrub border
- C. A stone paved patio ✓
- D. A shade-providing oak tree
Why: Hard landscape elements are non-living built features such as paving, walls, steps, and fences. Turf, shrubs, and trees are soft landscape elements because they are living plant material.
Q5. What is the primary purpose of a site analysis in landscape architecture?
- A. To select the cheapest plant materials
- B. To understand a site's conditions, constraints, and opportunities before design begins ✓
- C. To finalize the planting schedule
- D. To market the completed project to clients
Why: Site analysis involves studying factors such as soil, slope, climate, drainage, vegetation, views, and surrounding context. This understanding informs design decisions and ensures the proposed design responds appropriately to the site.
Module 2
Module 2: Site Analysis and Survey Methods
Site Analysis and Survey Methods
Knowledge check
Q1. What is the primary purpose of a site analysis in landscape architecture?
- A. To select the cheapest plant species for the project
- B. To understand the physical, environmental, and cultural characteristics of a site before design begins ✓
- C. To calculate the final construction costs of the project
- D. To obtain planning permission from the local authority
Why: Site analysis gathers and interprets information about climate, soils, topography, hydrology, vegetation, and cultural context so that design decisions respond to the actual conditions of the site.
Q2. Which survey method uses a theodolite and measuring tape to record distances and angles to establish precise site boundaries and elevations?
- A. Aerial photogrammetry
- B. Land (ground) surveying ✓
- C. Geographic information system overlay
- D. Remote sensing with satellite imagery
Why: Traditional land surveying uses instruments such as theodolites, total stations, and levels with tape measurements to produce accurate, legally defensible measurements of boundaries, features, and elevations.
Q3. What does a topographic survey primarily show?
- A. Underground utility lines only
- B. Soil chemistry and nutrient levels
- C. The three-dimensional shape of the land, including contours and elevations ✓
- D. Property ownership and legal titles
Why: A topographic survey maps the natural and man-made features of a site and represents relief through contour lines, showing elevations and slopes that guide grading and drainage design.
Q4. Why is a soil test important during site analysis?
- A. It determines the color of the finished landscape
- B. It reveals drainage capacity, fertility, pH, and bearing strength, which affect plant selection and construction ✓
- C. It identifies the location of historic buildings
- D. It calculates the number of parking spaces required
Why: Soil properties such as texture, drainage, pH, nutrient content, and compaction strongly influence which plants will thrive and what foundations or paving systems are suitable.
Q5. What is a key advantage of using aerial photography or drone surveys in site analysis?
- A. They replace the need for any ground verification
- B. They provide a broad, overhead view of site context and features efficiently over large areas ✓
- C. They measure soil moisture at depth
- D. They determine legal property boundaries without other records
Why: Aerial and drone surveys capture large areas quickly, revealing site context, vegetation patterns, and drainage routes, though ground-truthing is still needed for accuracy and detail.
Module 3
Module 3: Principles of Landscape Design
Principles of Landscape Design
Knowledge check
Q1. Which principle of landscape design refers to the arrangement of elements so that one part of the design relates to the others in size, scale, and proportion?
- A. Balance
- B. Unity
- C. Scale and proportion ✓
- D. Rhythm
Why: Scale and proportion describe how the size of individual elements relates to each other and to the human body and the overall space, creating a harmonious relationship among the parts of the design.
Q2. What is the term for a design where elements on both sides of a central axis are similar in visual weight, creating a sense of stability and order?
- A. Asymmetrical balance
- B. Radial balance
- C. Symmetrical balance ✓
- D. Informal balance
Why: Symmetrical (formal) balance mirrors elements on either side of a central axis, producing a calm, orderly, and stable composition often seen in formal gardens.
Q3. Which principle is achieved by repeating plants, materials, or forms throughout a landscape so that the design feels cohesive?
- A. Contrast
- B. Emphasis
- C. Unity ✓
- D. Focal point
Why: Unity is the sense that all parts of a design belong together. Repetition of plant species, materials, and forms is one of the most common ways to achieve it.
Q4. What design principle involves creating a point of interest that draws the eye and stands out from the surrounding elements?
- A. Emphasis (focal point) ✓
- B. Repetition
- C. Gradation
- D. Proportion
Why: Emphasis creates a dominant feature, such as a sculpture, specimen tree, or water feature, that draws attention and anchors the composition.
Q5. Which term describes the use of a gradual change in size, color, or texture across a landscape to guide the eye smoothly from one area to another?
- A. Contrast
- B. Gradation ✓
- C. Balance
- D. Axis
Why: Gradation creates a progressive transition, such as plants moving from tall to short or dark to light colors, which gives a sense of movement and flow through the space.
Module 4
Module 4: Plant Selection and Planting Design
Plant Selection and Planting Design
Knowledge check
Q1. Which factor should be considered FIRST when selecting plants for a site?
- A. Flower color
- B. Site conditions such as soil type, sun exposure, and climate ✓
- C. Current nursery prices
- D. Popularity on social media
Why: Plants must be matched to the site's environmental conditions (climate hardiness zone, sunlight, soil, moisture) to survive and thrive. Aesthetic qualities come after suitability is established.
Q2. What does a USDA Plant Hardiness Zone indicate?
- A. The plant's maximum height at maturity
- B. The average annual minimum winter temperature of a region ✓
- C. The soil pH preferred by the plant
- D. How many years a plant will live
Why: USDA Plant Hardiness Zones are based on average annual extreme minimum temperatures, helping designers choose plants likely to survive winter in a given location.
Q3. Which term describes plants that are native to a particular region and evolved there without human introduction?
- A. Cultivars
- B. Invasives
- C. Natives ✓
- D. Hybrids
Why: Native plants occur naturally in a specific region and have adapted to local conditions, pests, and wildlife over time, often requiring less maintenance.
Q4. In planting design, what is the purpose of using plants of varying heights in layers?
- A. To reduce the total number of plants needed
- B. To create visual depth, structure, and habitat diversity ✓
- C. To make maintenance impossible
- D. To ensure all plants bloom at the same time
Why: Layering plants from groundcovers to shrubs to trees creates spatial depth, visual interest, and a range of habitats that support wildlife and a more resilient planting community.
Q5. Why is spacing plants according to their mature size important?
- A. Closer spacing always looks better immediately
- B. It prevents overcrowding, competition for resources, and disease as plants grow ✓
- C. It lets designers avoid buying as many plants
- D. Mature size has no effect on spacing decisions
Why: Plants need room to reach full size. Spacing based on mature dimensions prevents crowding, improves air circulation to reduce disease, and limits competition for light, water, and nutrients.
Module 5
Module 5: Grading, Drainage, and Hardscape
Grading, Drainage, and Hardscape
Knowledge check
Q1. What is the minimum recommended slope for a lawn or planted area to drain surface water away from a building foundation?
- A. 0.5% (1/16 inch per foot)
- B. 2% (1/4 inch per foot) ✓
- C. 10% (1 1/4 inches per foot)
- D. 25% (3 inches per foot)
Why: A slope of about 2% (1/4 inch per foot) is commonly recommended to move water away from structures on lawns and planted areas. Slopes below this may pond water, while excessively steep slopes increase erosion and are harder to maintain.
Q2. Which term describes the change in elevation of a surface over a given horizontal distance, often expressed as a percentage?
- A. Cut
- B. Fill
- C. Grade ✓
- D. Contour interval
Why: Grade is the slope or steepness of a surface, calculated as vertical rise over horizontal run and often expressed as a percentage. Cut and fill refer to earthwork operations, and contour interval is the vertical spacing between contour lines on a plan.
Q3. What is the primary purpose of a French drain?
- A. To carry stormwater from roofs directly to a municipal sewer
- B. To collect and redirect subsurface water through a gravel-filled trench containing a perforated pipe ✓
- C. To serve as a decorative water feature in a garden
- D. To provide irrigation to lawn areas during dry periods
Why: A French drain is a gravel-filled trench with a perforated pipe that intercepts and redirects groundwater or surface water that has infiltrated the soil, relieving saturated conditions and protecting nearby structures or planted areas.
Q4. Which hardscape material is generally best suited for a high-traffic residential walkway because of its durability and resistance to cracking?
- A. Unreinforced thin concrete slab on loose fill
- B. Properly compacted base with interlocking concrete pavers ✓
- C. Loose wood chips on bare soil
- D. Untreated pine boards laid directly on grade
Why: A properly compacted aggregate base with interlocking pavers distributes loads, allows for minor movement without cracking, and is easy to repair. Loose surfaces like wood chips shift under foot traffic, and untreated wood on grade deteriorates quickly.
Q5. Why is compaction of the subgrade and base material important before installing paving?
- A. It increases the water absorption of the soil
- B. It reduces settling, heaving, and cracking by creating a stable, dense foundation ✓
- C. It makes the soil easier to plant in later
- D. It eliminates the need for drainage
Why: Compaction densifies the soil and base layers so they resist settlement under load and reduce movement. Inadequately compacted bases are a leading cause of paving failures such as sinking, uneven surfaces, and cracking.
Module 6
Module 6: Sustainable and Ecological Landscapes
Sustainable and Ecological Landscapes
Knowledge check
Q1. What is the primary purpose of a rain garden in sustainable landscape design?
- A. To serve as a decorative water feature that attracts wildlife only
- B. To capture and infiltrate stormwater runoff from impervious surfaces ✓
- C. To irrigate lawns during dry summer months
- D. To store potable water for household use
Why: Rain gardens are shallow depressions planted with native vegetation that collect runoff from roofs, driveways, and paved areas, allowing water to slowly soak into the ground. This reduces flooding, recharges groundwater, and filters pollutants.
Q2. Which plant selection strategy best supports ecological sustainability in a landscape?
- A. Choosing exotic species that require frequent fertilizer and pesticide application
- B. Using a monoculture of a single fast-growing ornamental species
- C. Selecting native plants adapted to the local climate, soil, and rainfall ✓
- D. Planting only species that need supplemental irrigation for aesthetic uniformity
Why: Native plants have evolved with local conditions, so they typically need less water, fertilizer, and pest control while supporting native pollinators and wildlife. This reduces maintenance inputs and ecological disruption.
Q3. What does the term 'xeriscaping' refer to?
- A. Landscaping that relies on heavy chemical treatments to maintain turf
- B. Landscaping designed to minimize or eliminate the need for supplemental irrigation ✓
- C. A method of converting wetlands into residential lots
- D. The use of synthetic turf to eliminate all plant maintenance
Why: Xeriscaping, derived from the Greek word for dry, uses drought-tolerant plants, efficient irrigation, mulching, and soil improvement to conserve water. It is especially valuable in arid and semi-arid regions.
Q4. Why is mulching considered a beneficial practice in sustainable landscapes?
- A. It increases soil evaporation so plants receive more humidity
- B. It suppresses weeds, retains soil moisture, and moderates soil temperature ✓
- C. It permanently sterilizes the soil to prevent pest outbreaks
- D. It replaces the need for any future soil amendments or organic matter
Why: Organic mulch covers the soil surface, reducing evaporation, limiting weed germination, and buffering temperature extremes. As it decomposes, it also adds organic matter that improves soil structure over time.
Q5. What is the main ecological benefit of green roofs in urban landscapes?
- A. They eliminate the need for building insulation entirely
- B. They reduce stormwater runoff, lower urban heat, and provide habitat for wildlife ✓
- C. They increase the total impervious surface area of a site
- D. They prevent any vegetation from establishing on rooftops
Why: Green roofs absorb rainfall, slowing and reducing runoff, while vegetation cools the building and surrounding air through evapotranspiration. They also create habitat corridors for insects and birds in dense urban areas.
Module 7
Module 7: Planning, Presentation, and Project Delivery
Planning, Presentation, and Project Delivery
Knowledge check
Q1. Which phase of a landscape architecture project typically involves establishing the project goals, site constraints, and client needs before any design work begins?
- A. Construction documentation
- B. Programming and site analysis ✓
- C. Post-occupancy evaluation
- D. Schematic design
Why: Programming and site analysis come first because they define what the project must achieve and the physical, legal, and environmental conditions that shape design decisions. Design work builds on this foundation.
Q2. What is the main purpose of a master plan in landscape architecture?
- A. To provide detailed planting schedules for contractors
- B. To show the overall long-term vision and spatial organization of a site across multiple phases ✓
- C. To calculate material quantities for bidding
- D. To document the as-built conditions after completion
Why: A master plan presents the big-picture framework, including circulation, land use, and spatial relationships, guiding phased implementation over time. Detailed schedules and quantities belong to construction documents.
Q3. Which presentation technique is most effective for helping a non-professional client understand how a proposed space will feel at eye level?
- A. Plan drawings at 1:500 scale
- B. Section drawings only
- C. Perspective renderings or visualizations from a human viewpoint ✓
- D. 材料 specification sheets
Why: Perspective renderings from pedestrian eye level translate abstract plans into experiential terms that clients can intuitively grasp, making spatial qualities and materiality easier to evaluate.
Q4. In project delivery, what does a design-bid-build contracting method mean?
- A. The contractor designs and builds the project under a single agreement
- B. The design is completed fully before a contractor is selected through competitive bidding, then construction follows ✓
- C. The owner builds the project using in-house staff with no outside design input
- D. Construction begins before design is finished to save time
Why: In design-bid-build, the owner hires a designer to complete full construction documents, then selects a builder through competitive bids. This separates design and construction responsibilities into sequential phases.
Q5. Why is a design development phase important before finalizing construction documents?
- A. It allows the planting plan to be skipped
- B. It refines the chosen concept with more specific materials, dimensions, and systems, resolving issues before detailed documentation ✓
- C. It replaces the need for client review
- D. It is only required for projects under one acre
Why: Design development refines the approved concept into coordinated decisions about materials, grading, structures, and systems. Resolving these issues early reduces costly revisions during the documentation and construction stages.