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Restoring Established Ornamental Gardens


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Restoring Established Ornamental Gardens

Price: £340.00Course Code: BHT243 CLD
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Restoring Established Ornamental Gardens

Restoring Established Ornamental Gardens is an online course that will help you learn to survey, analyze and plan sensitive and appropriate renovation of established gardens, generally of 2 hectares or less in size. This module has been developed and accredited in the UK as an elective in the RHS Diploma in Horticulture.

Restoring old gardens to their former glory is a lot more involved than what most people would realize. If a restoration is to be credible, the landscaper needs to understand the history and determine what is authentic and appropriate for a restoration; before they even start to plan the work that needs to be undertaken.

Despite the complexities and costs involved; there is an ever increasing demand for garden renovation specialists. If you love both gardens and history; this could be an ideal career move for you.


Learning Goals: Restoring Established Ornamental Gardens BHT243
  • Outline the history of UK garden design and the influence of plant introductions.
  • Evaluate an established ornamental garden in order to determine any particular design style period, or plants of interest.
  • Describe basic methods for the survey and recording of the layout and content of an established garden, and explain the importance of detailed information including assessment of site factors.
  • Explain processes and the need for assessment and recording of the type, condition and future potential of a range of plantings and features in an ornamental garden.
  • Explain the main criteria used to select plantings and features for retention in a restored garden.
  • Explain the need and processes of analysis of collected information.
  • Prepare a summarised programme for organisation of garden restoration work
  • Assess risk and identify safe work practices
  • Recognise and explain the visible signs of the failure of old land drainage systems and describe remedial measures
  • Describe and explain the practical procedures necessary for the restoration of a range of hard landscape features.
  • Explain problems which may be encountered in the improvement of retained hedges, plantings and lawns.
  • Describe practical solutions for improving retained hedges, plantings and lawns
  • Evaluate the use of modern maintenance techniques in established gardens


Lesson Structure: Restoring Established Ornamental Gardens BHT243

There are 8 lessons:

1  Landscape History & Design Styles

  • Ancient Mid-Eastern Gardens
  • Chinese Gardens
  • UK Garden History
  • Characteristics of a Formal Garden
  • Important English Landscapers
  • Spanish Gardens
  • Monastery Gardens
  • Olmstead (Frederick Law) 1822-1902
  • Burle Marx (Roberto (1909-1994)
  • Australian Bush Garden
  • Permaculture
  • The World's First Plant Collectors: Where Were Plants Introduced First? Important Plant Explorers (Pierre Belon, Joseph Pitton de Tournefort, Tradescants, Sir Hans Sloane, Sir Joseph Banks, Others)

 2  Surveying the Site

  • Problems
  • What to Survey
  • Measuring Dimensions and Locations
  • Triangulation
  • Slope
  • Levelling Terms
  • Levelling Procedure 
  • Earthworks Calculations: Volumes of Irregular Solids, Using Triangles, Using Horizontal Measurement, Using Horizontal Angles

3  Assessment of Plantings and Features

  • Introduction
  • Assessing Planting
  • Trees: Where Should You Plant a Shade Tree?, When NOT to Retain a Tree
  • Assessing Garden Features: What are These Features? What Degrades? What to Look Out For, Concrete and Cement, What is UV Stabilised?, Fasteners
  • Water Problems

4  Selecting Components for Retention

  • What Should be Restored?
  • Why Keep Something?
  • Why Discard Something?
  • Renovating Areas in a Garden: Dealing with Weeds, Paving, Trees and Shrubs, Garden Beds, Lawns, Ponds, Furniture and Statuary
  • Pruning: Clean Out Dead Wood, Wood Rots, Dead Heading, What is Compartmentalisation? What about Wood Treatments?
  • Windbreaks: How do Windbreaks Work? Choosing Windbreak Plants

5  Work Programming and Risk Management

  • Introduction: Where to Start
  • The Procedure: What Order To Work In
  • Risks & Work Safety: Safe Work Management Plans
  • Risk Assessment of a Landscape Site: Identifying Hazards and Risk, Risk to the Project, Risk to the Workers, The Area(s) and People That May Be At Risk, The Risks, The Consequences of an Event Happening, The Adequacy of Existing Controls, A Rating of the Consequence, Likelihood and Level of Risk, Risk Control Methods
  • Examples of a Risk Assessment Procedure: Example 1, Example 2, Example of a Risk Assessment Form, Control Processes in preferred order
  • Safety Techniques: Handling Bricks and Pavers, Slippery Surfaces, Manual Lifting, How to Lift, Other Ways to Lift, Using Machines to do the Heavy Work, Rules for using tools, Checklist for Tools and Machines 

6  Drainage

  • Drainage: Water-logging on a Home-site, Symptoms of Poor Drainage Systems, Improving soil drainage capacity, Some other ways of addressing these potential problems, Minimum Grades for Surface Drainage, Solving Drainage Problems
  • Creating a Drain Pit
  • Drainage Design: What a Landscaper Should Know about Drainage, Sub Surface Drainage, Outlet, Gradients, Distance between Drainage Pipes, Depths of Drains, Types of Drains, Laying the Drain
  • Moving Existing Earth: When Moving Existing Soil Take into Account, Settling Soil, Erosion
  • Leaks: How to Fix a Leaky Tap, How to Seal a Leaking Pipe, How to Fix a Leaking Pond, Leaky Copper Pipes 

7  Hard Landscape Feature Restoration

  • Paving: Materials Used in Paving, Selecting Materials, Concrete, Gravel, Asphalt, Coloured Surfaces
  • Barriers and Walls: Creating Barriers, Fencing Supports, Concrete Mix
  • Maintaining Stone and Brick Walls
  • Outdoor Furniture: Choices
  • Protecting Outdoor Furniture
  • Painting Outdoor Furniture 
  • Difference Between Paint, Stain and Sealer
  • Pond Management
  • Oxygenating Plants
  • Troubleshooting

8  Planting Restoration and Maintenance

  • Improving Existing Plantings
  • Trees: Tree Surgery, Trees and Paving
  • Old and Overgrown Hedges: Replacing an Old Hedge, Rejuvenating Old and Overgrown Hedges
  • Pruning and Rejuvinating Other Plants: Controlling the Plants Shape and Size, Pruning Overgrown Shrubs, Removing Dead or Diseased Wood, Controlling the Type of Growth, Pruning Conifers, Rejuvenation Limitations, Pruning overgrown climbers and wall shrubs, Pruning Roses
  • The Basic Rules of Pruning
  • Rejuvenating Old Lawns: Top-dressing, Fertilising Lawns, Mowing, Turf Mowers, Mowing Guidelines, Mowing Heights
  • Perennials: Secrets of Success, Maintenance Hints, Designing a Perennial Display, Bulbs, Landscaping with Bulbs
  • Maintaining Herbaceous Borders: Wild Flower Meadows
  • Controlling Weeds: What is a Weed? Types of Weeds, Identifying Weeds, Weed Control, Control of Common Weed Situations, Controlling Weed Spread
  • Common Weed Control Methods: Suffocation, Burning, Cultivation, Mowing/Slashing, Flooding, Crowning, Changing pH, Biological Control, Chemical Control
  • Controlling Pests and Diseases: Chemical Treatments and their Restricted Use
  • Some Pests and Their Control 
  • Plant Diseases: Types of Pathogens, Morphological Symptoms of Plant Diseases, Disease Lifecycles
  • Some Diseases and Their Control 
  • Plant Viruses - Their Detection and Control
  • Using Chemicals: Common Methods of Application, Safe Storage of Chemicals, Safely Mixing Chemicals, Correct Usage of Chemicals, Agitation, Cleaning Up and Disposing of Chemicals, Law in relation to chemical use


Your learning experience with ADL will not only depend on the quality of the course, but also the quality of the person teaching it. This course is taught by Susan Stephenson and Andy Patterson . Your course fee includes unlimited tutorial support throughout from one of these excellent teachers. Here are their credentials:

Susan Stephenson
BSc in Applied Plant Biology (Botany) Univ. London 1983.
City and guilds: Garden Centre Management, Management and Interior Decor (1984)
Management qualifications in training with retail store. Diploma in Hort level 2 (RHS General) Distinction. 


Susan Stephenson is a passionate and experienced horticulturist and garden designer. She has authored three books, lectures at 2 Further and Higher Education Colleges, teaching people of all ages and backgrounds about the wonders of plants and garden design, and tutors many students by correspondence from all over the world.

Susan studied botany at Royal Holloway College (Univ of London) and worked in the trading industry before returning to her first love plants and garden design. She is therefore, well placed to combine business knowledge with horticulture and design skills. Her experience is wide and varied and she has designed gardens for families and individuals. Susan is a mentor for garden designers who are just starting out, offering her support and advice and she also writes, delivers and assesses courses for colleges, introducing and encouraging people into horticulture and garden design.

Susan is a Professional Associate and exam moderator and holds the RHS General with Distinction. She continues to actively learn about horticulture and plants and (as her students will tell you) remains passionate and interested in design and horticulture.

She also supervised the Area Arboriculture Team and was Exhumations Officer€“ in charge of collecting discovered remains and arranging identification (if poss) and interment of same.


Andy Patterson
PGCE Biological Sciences; Doctor of Naturopathy (pending); Registered Nutritional Therapist; Permaculture Design Consultant (PDC); BSc(Hons) Ecology;


Andy has been a biology and science teacher since 2002, and a natural health therapist since 1998. His original degree was in Ecology and is well experienced in the Life Sciences generally, from biology, medicine and clinical sciences to horticulture, ecology and the environment. he divides his time between a therapy clinic; teaching, tutoring & lecturing. Andy is a passionate believer in the power of education to transform people’s lives, and gives 100% support to helping students achieve their goal. 

Andy has worked as a Biology lecturer in a number of post age 16 colleges, and 11-18 year age schools across the country during a 13 year career. This has included work as an Assessor for exam boards, 1 on 1 tutoring, working with small groups and whole classes. He worked on an award winning national Nuffield- STEM initiative using innovative educational techniques to develop sustainability awareness with KS3 school children. He has also managed a large vocational science area in a busy college and developed a successful Premedical curriculum which has helped many students on to successful medical careers.


Course Info
Course Hours100
Recognised Issuing BodyTQUK - Training Qualifications UK, an Ofqual Approved Awarding Organisation.
Course Code
Course PrerequisiteNo, start at anytime
Course QualificationLevel 4 Certificate in Restoring Established Oar
Exam Required?Finalised with an exam/test
UK Course Credits10 Credits
US Course Credit Hours3 Credit Hours
Study SupportYou'll be allocated your own personal tutor/mentor who will support and mentor you throughout your whole course. Our tutors/mentors have been specifically chosen for their business expertise, qualifications and must be active within their industry. Tutors are contactable by e-mail, telephone and through our Moodle Student Support Zone online. Tutors are there to provide assistance with course material, discuss, explain and give advice and support throughout the whole programme. Their feedback is vital to your success.



Previous Customer Experiences with our Courses

"Fantastic Teacher. Well organised modules. Assignments force me to learn and research more so I can prepare well for exams. I really enjoyed studying via ADL.  I can now continue study at Ulster University which accept my certificate from ADL".    Level 4,  Advanced Certificate in Applied Science,  VSC001,  Stanislawa,  Poland.

Its with great pleasure I am announcing you my new job as 'Park Manager' for a 5 star hotel in Reunion Island.  Its definitely my courses with ADL (Botany, Agronomy and Tree for Rehabilitation) which were decisive for my nomination. Accordingly, my sincere thanks goes to all the ADL team.

"The course was a valuable learning experience as it provided me with the knowledge and understanding for me as a Careers Advisor. The feedback was very good from my tutor, and allowed me to  build upon my assignments that were marked. The comments were very informative  and very useful. Well written course material."  Andrew W, Careers  Counselling, UK

"It exceeded my expectations. It was more comprehensive than I expected and the assignments really stimulated deep study of the subject. Thank you for your guidance. I am delighted with my certificate and will recommend this course and ADL to my friends and colleagues."  G Flaherty, Ornithology BEN102, Ireland

"I want to thank you for  the course - Hotel Management- I've just finished now. The course was comprehensive and well edited. For sure it can give a new worker in the hospitality industry the basic theoretical and practical knowledge required".  Daniel K, Hotel Management, Romania

"Upon completing the Interior Plants Course I was offered my dream job.  Taking this class was one of the best decisions I've made, the information I received was invaluable.  Thank you ADL". Meg V,  Interior Plants, Florida, USA.

“I am delighted to report that I passed the exam and received a “Pass with Commendation”. I appreciate very much the detail that you went into, in the correction of my assignments  and I found your advice and extra subject information  invaluable in advancing my interest and knowledge in horticulture”.   Go raibh mile maith agat! (a thousand thanks!) Colin, RHS Cert II, Ireland

"Although my main interest in Earth Science is Geology I found this course excellent. The course notes were very interesting and useful throughout the course. Thank you to the ADL staff for their excellent service" Barry. Earth Science

"I received good feedback, and had an efficient turnaround of assignments, useful comments and grades to analyse." Andrew, Calf Rearing

"I enjoyed the course and developed a good understanding of learning and behaviour disorders. I feel this will be helpful in my role as a Clerk at a local primary school". The course met my expectations and I enjoyed the challenge of learning about conditions i knew little about. The presentation of the course and the opportunity to communicate with my tutor was valuable. I enjoyed the course so much , I am planning to do another! Jennifer C, Developmental Learning and Behavioural Disorders in Children and Adolescents, UK

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Disclaimer: Every attempt is made to ensure all information from the academy is accurate and that the student has attained the competencies taught in a course, at the point of their assessment. Beyond this point, the graduate is responsible to maintain their acquired competencies, and apply acquired knowledge and skills in a way which is appropriate to the unique characteristics of each application. This will release the academy from any liability, action and claims of whatsoever nature in connection with, or arising from any such information, instruction or advice, given by any student or ex-student, whether directions given during the course are followed or not.