Planning Layout And Construction Of Ornamental Gardens

Course CodeBHT242
Fee CodeS3
Duration (approx)100 hours
QualificationStatement of Attainment
This is a great course for landscape consultants, garden designers, horticultural advisors, project managers, or anyone else who works with landscapes and needs to improve their ability to survey, evaluate and plan development work on a site. 


Every site has a unique set of micro climatic and soil conditions. Other factors such as the site’s exposure to traffic, pests and disease, will also be unique. All of these things are relatively uncontrollable; although the way the landscape is designed will impact on these characteristics as well.


  • Planting large plants can modify existing microclimates by buffering temperature fluctuations, changing light intensities etc.
  • Changing contours can alter soil temperatures, soil moisture, exposure to light, as well as drainage patterns, etc.
  • Treatments of surfaces can change drainage characteristics, soil conditions,
  • Buildings, drainage pipes, services (electricity, gas etc)can be affected by the nature and type of landscape treatment
  • Some styles of landscape are going to cause greater changes to a landscape than others.


Lesson Structure

There are 10 lessons in this course:

  1. Site Appraisal, Interpretation and Risk Assessment
  2. Preparing Site Plans and Specifications
  3. Influence of Site Characteristics
  4. The Use of Hard Landscape Features
  5. Setting out a Site to Scale Plans and Drawings
  6. Soil Handling and Storage
  7. Land Drainage Systems
  8. Ground Preparation Techniques
  9. Construction of Paths and Patios
  10. Construction of Steps, Ramps, Dwarf Walls and Fences

Each lesson culminates in an assignment which is submitted to the school, marked by the school's tutors and returned to you with any relevant suggestions, comments, and if necessary, extra reading.


  • Explain how to conduct a site appraisal and interpret the results.
  • Conduct risk assessments associated with planning layout and construction of ornamental gardens
  • Produce and interpret site plans and specifications using basic survey measurements.
  • Explain how site characteristics may influence choice of garden design style.
  • Evaluate and explain the contribution made by hard landscape features to design and function
  • Describe the practical procedures for setting out a site to scale plans and drawings.
  • Describe and explain the reasons for correct soil moving and storage during construction works.
  • Explain the factors which determine the design and specification of land drainage systems and describe procedures for setting out and installing land drainage.
  • Explain requirements for a range of ground preparation techniques for different landscape features.
  • Specify a range of materials and outline procedures for construction of paths and patios.
  • Specify a range of materials and outline procedures for construction of Steps, Ramps, Dwarf Walls and Fences

Tips for Garden Design
1. Think of a garden as a series of rooms

All good garden designers use the following trick: “Divide the garden into rooms and it will make the garden feel larger and more interesting”.

You too can divide your garden into a series of outdoor rooms without spending too much money. You don’t need a large garden to make this work – even the smallest gardens usually have a front yard, a side passage and a backyard which can be treated as outdoor rooms.

The divisions between the rooms or sections of the garden may be separated by hedges, dense shrubberies, broad flower beds or trellises or by walls of stone, timber or other materials.

The floor of the garden may be covered with gravel, lawn, paving, creepers, low shrubs or even water.

The roof is most often the sky; but it could also be the interlocking canopy of large trees or the framework of some other structure such as an arched walk or pergola.

Even though the rooms may have completely different characters or themes, they can be linked together with a hedge to make the overall effect more harmonious. It is best to keep to one type of hedge species (eg. lillypilly, Murraya or Buxus) for this to work well.

2.  Create a Good Fist Impression
The front of your property is, in some respects, the most important area of your garden. It’s the first thing visitors see, and no matter how well presented the rest of the house and garden is, a drab or untidy garden entrance is not going to make a good first impression.
An appealing and functional entrance area is also important for your own sense of satisfaction; after all, it’s something that you look at and use every day. Not only does it make you feel better about your house and garden, it provides valuable security and privacy.

Is your Front Garden up to Scratch?
Look at the following features in your front garden. These are the things that make a public statement about you and your lifestyle. How well do they shape up?
Front gate
Front fence
Front door
Garage door/carport
Porch or front verandah
Lawns, garden beds and pot plants

What makes a Functional Garden Entrance?

As with any other part of the garden, the success of the garden entrance depends on good planning.  Consider the following:

  • Do you want the front garden to be seen fully from the street, house or surrounding area, or do you want it hidden? How much privacy do you want?
  • Do you want to encourage or discourage visitors into the property? This will affect the height and position of fences and the accessibility of the paths.
  • How many cars do you need to park inside the property? This affects the length and design of the driveway, an often neglected entry point.
  • How important is security? Do you need to lock animals in or out?
  • What areas of the garden do you want to be seen; what do you want kept out of sight? (such as compost area, storage and clothes line)

What makes an Appealing Front Garden?
Neatness and tidiness are the two most important elements of a good front garden. No matter how much effort and money is spent on the house and garden design, the effect is immediately destroyed by
overgrown lawns, messy edges, weedy garden beds, and tools and toys scattered around the drive and front lawn. If lawn mowing and garden maintenance aren’t your thing, maybe you should think about paving all or part of the front area.

Don’t overlook details such as peeling or faded paintwork, rusting metal (on letterboxes and fences) or rotting timber. They detract from the overall presentation but can be easily fixed.

Always use landscape materials that are in keeping with the overall house and garden style, and don’t use too many different types of materials.

One or two focal points such as an arch, birdbath or pots placed near the front entrance will create interest in your front garden, but don’t overdo it. Think about whether you want these on public display, to be viewed from the street (and whether this will be a security problem), or whether they are for your own private enjoyment.

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Member of the Institute of Horticulture Careers Advisory Bureau
Member of the Institute of Horticulture Careers Advisory Bureau

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ACS Global Partner - Affiliated with colleges in seven countries around the world.

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Member Nursery and Garden Industry Association

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ACS is recognised by the International Accreditation and Recognition Council

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  John Mason

Parks Manager, Nurseryman, Landscape Designer, Garden Writer and Consultant. Over 40 years experience; working in Victoria, Queensland and the UK. He is one of the most widely published garden writers in the world; author of more than 70 books and editor for 4 different gardening magazines. John has been recognised by his peers being made a fellow of the Institute of Horticulture in the UK, as well as by the Australian Institute of Horticulture.
  Robert James

B.App. Sc. (Horticulture), Dip.Ag., M.Sc., Grad Dip.Mgt. Over 50 years experience that includes, Nursery Manager Brisbane City Councoil, Grounds Manager (University of Qld), Lecturer Qld Agricultural College, Propagator/Nurseryman at Aspley Nursery, Horticulturist, Horticultural Scientist, and Horticultural Consultant
  Adriana Fraser

Over 30 years working in horticulture, as a gardener, propagator, landscape designer , teacher and consultant. Adriana has spent much of her life living on large properties, developing and maintaining her own gardens, and living a semi self sufficient lifestyle. She has decades of practical experience growing her own fruit, vegetables and herbs, and making her own preserves. She is well connected with horticulture professionals across Australia, and amongst other things, for a period, looked after Australia's national collection of Thymus. Advanced Diploma in Horticulture, Advanced Certificate in Horticulture.
  Yvonne Sharpe

RHS Cert.Hort, Dip.Hort, M.Hort, Cert.Ed., Dip.Mgt. Over 30 years experience in business, education, management and horticulture. Former department head at a UK government vocational college. Yvonne has traveled widely within and beyond Europe, and has worked in many areas of horticulture from garden centres to horticultural therapy. She has served on industry committees and been actively involved with amateur garden clubs for decades.
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