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Garden Irrigation 100 Hours Certificate Course


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Garden Irrigation 100 Hours Certificate Course

Price: £325.00Course Code: BHT210
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Garden Irrigation 100 Hours Certificate Course

Garden Irrigation course online. Learn how to install and maintain an irrigation system easily through distance learning studied from home!

This is a ten lesson course that covers the design, installation, maintenance, operation and evaluation of simple irrigation systems. This course focuses on irrigation for parks, home gardens, and other ornamental horticulture areas.

If you need to have extensive skills in garden irrigation techniques, rather than just a basic working knowledge of how garden irrigation works, then this course is for you. Become a Garden Irrigation Specialist and advise, design and install effective and personalised irrigation systems, to enable plants to grow and flourish in gardens, parks and other horticultural settings.

Learn from irrigation experts who have developed this certificated course over many years, with the help of a tutor/mentor, who will be there to help you every step of the way.


Learning Goals:   Irrigation (Gardens) BHT210
  • Explain the significance of soil in irrigation.
  • Explain how to determine when to irrigate in a small scale situation.
  • Manage irrigation in a given situation.
  • Explain the significance of different aspects of moving water including: drainage, pumps, filters, storage and re-circulation.
  • Select an appropriate irrigation system for a given situation.
  • Explain the principles of design for a simple irrigation system.
  • Design a simple irrigation system.
  • Oversee the installation of an irrigation system.


Lesson Structure:   Irrigation (Gardens) BHT210

There are 10 lessons:

1  Introduction to Irrigation

  • Introduction
  • Objective of Irrigation
  • Irrigation: The Wider View
  • Sources of Water
  • Feasibility of Irrigation
  • How to Improve the Quality of Water From Any Source
  • Likely Quality Problems in Different Kinds of Water
  • Problems of Water Quality and There Remedies:
  • Physical Impurities
  • Chemical Impurities
  • Biological Impurities
  • Bacterial Impurities

2  Soil Characteristics and Problems

  • Understanding Soils
  • Naming the Soil
  • Different Soils Suited to Different Purposes
  • Improving Soils
  • Chemical Properties of Soil: Soil pH (acidity/alkalinity), Sodicity, Salinity
  • Physical Properties of Soil: Soil Uniformity, Available soil water capacity, Infiltration, Internal Drainage
  • Soil and Water
  • Kinds of Soil Moisture: Gravitational Water, Capillary Water, Hygroscopic Water
  • Transpiration and Wilting Point
  • A Feel-Test For Esimating Soil Moisture Level
  • Fertigation
  • Different Types of Fertigation Equipment

3  Estimating Plant Needs and Irrigation Scheduling

  • When to Irrigate
  • Signs to Look For: Symptoms of Water Deficiency, Symptoms of Water Excess
  • Checklist For Home Gardeners
  • Timing of Irrigations
  • Measuring Water Available to Plants: Calculating Field Capacity, Calculating Permanent Wilting Point, Available Moisture Range
  • Rooting Depths of Selected Plants
  • Water extraction by roots
  • Irrigation Calculations
  • Estimating Water Needs
  • Estimated Water Loss From Soil Under Different Climatic Conditions
  • Tensionmeters
  • Water Requirements of Turf Grasses
  • Imporatance of Schedules
  • Scheduling Irrigation
  • Water Volumes and Duration

4  Drainage

  • Introduction
  • Drainage
  • Improving Permeability During Constuction: Cultivation, Adding Soil Ameliorants, Chemical Treatments
  • Improving Surface Drainage After Construction
  • Layout of Drains
  • Outlet
  • Gradients
  • Distance between the Drainage Pipes
  • Depth of Drains
  • Laying the Drain
  • Dams and Water Storage
  • Soil Degradation
  • Erosion: Water, Wind, Control
  • Soil Acidification including Causes
  • Soil Compaction
  • Chemical Residues
  • Waste Water Treatment Using Reed Beds
  • Suitable Plants

5  Types of Irrigation Systems

  • Introduction
  • Flood Irrigation Systems
  • Pressurised Irrigation systems
  • Conventional Sprinkler Systems: Portable, Permanent, Semi-Permanent
  • Mechanised Sprinkler Irrigation Systems
  • Fixed Sprinkler Systems
  • Quick-Coupling Systems
  • Sprinkler Heads
  • Mechanisms That Drive Rotating Head Sprinklers
  • Design Considerations

6  Trickle Systems

  • Trickle Irrigation
  • Do It Yourself Micro Irrigation Systems
  • Time Length of Watering
  • Automatic Systems
  • Maintenance of Watering Systems
  • Micro-jet Irrigation
  • Maintaining Your Trickle Irrigation

7  Design Specifications

  • Hydaulics
  • Calculating Discharge or Flow
  • Velocity
  • Friction Loss in Systems
  • Water Hammer

8  Pumps and Filters

  • Types of Pumps
  • Pumps and Pressure Systems
  • More on Types of Pumps
  • What to do if a Centrifugal Pump Fails to Operate
  • Trickle Irrigation: Prevention of Clogging
  • Controllers
  • Technical Data Sheet - Mechanical Tap Timer

9  Selecting the Right System for a Plant

  • Water Saving Measures
  • Filtration
  • Flood Irrigation
  • Sprinkler Irrigation
  • Trickle Irrigation
  • Example - Putting Greens
  • Example Trickle Irrigation in Ornamental Gardens
  • Example - Irrigation of Vines
  • Set Reading

10 Design and Operation of Systems

  • Introduction: Cyclic Watering, Pulse Watering
  • Scheduling Irrigation
  • Sprinkler Spacings
  • Designing and Considering Sprinkler Performance
  • Electrical Factors
  • Electric Automatic Systems
  • Design Considerations
  • Set Reading 

N.B. Each lesson is followed by a self-assessment test, set task or tasks which could include: further research, networking, plus looking at the advantages and disadvantages of a particular subject and finally written assignments. The final written assignment is marked and graded by your personally assigned mentor and sent back with helpful comments and suggestions.


The quality of this course is second to none, from the in-depth learning you will get to the expert individual mentoring you will receive throughout your studies. The mentors for this course are: 

Bunch of yellow rosesSusan 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.
In 2010, Susan authored a complete module for a Foundation degree (FDSC) in Arboriculture.
Susan 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.
Steven Whitaker course tutorSteven Whitaker
Diploma in Garden Design (Distinction) – The Blackford Centre, Gold Certificate of Achievement in Horticulture, Level 2 NVQ in Amenity Horticulture, Level 1 NOCN Introduction to Gardening, – Joseph Priestly College, BTEC Diploma in Hotel, Catering and Institutional Operations (Merit), Trainer Skills 1, & 2, Group trainer, Interview and Selection Skills – Kirby College of Further Education
Steven has a wealth of Horticultural knowledge, having ran his own Design and Build service, Landscaping company, and been a Head Gardener. His awards include five Gold awards at Leeds in Bloom, two Gold awards at Yorkshire in Bloom and The Yorkshire Rose Award for Permanent Landscaping. Steven has worked with TV’s Phil Spencer as his garden advisor on the Channel 4 TV Programme, “Secret Agent”. 
He is qualified to Level 2 NVQ in Amenity Horticulture and has a Diploma in Garden Design which he passed with Distinction. Steven’s Tutor and Mentor was the Chelsea Flower Show Gold Award-winning Garden Designer, Tracy Foster. He also works for a major Horticultural Commercial Grower in the field of Propagation and Craft Gardening. Steven lives in Leeds where he is a Freelance Garden Designer and Garden Advice Consultant. 

Course Info
How Do Our Tuition Fees Compare?Full time classroom based Further Education Courses - Approx. £5,000 per year - Part-time classroom based Adult Education Courses - Approx. £7.00 per hour - N.B. classroom tuition means you learn at the pace of the class. One-to-one private tuition - from £15.00 per hour - ADL one-to-one tution fees - From £340 per 100 Hour Course = Average of £3.40 per hour - N.B. one-to-one tuition is tailored to your own individual learning availability and pace.
Course StartBegin your learning at any time.
Course Prerequisite None - Our course levels are an indication of the depth of learning you should receive. They do not describe the level of difficulty.
Course Qualification (Study Option A)Endorsed Qualification from TQUK - Training Qualifications UK, an Ofqual Approved Awarding Organisation - Completed written assignments and final evaluation per course/module to be taken.
Course Qualification (Study Option B)Certificate of Attainment from ADL - Completed written assignments only - no final evaluation.
Comparative Credits InformationUK Course Credits: 10 - U.S. Credit Hours: 3 - when compared to regulated courses.
Course Duration and DeadlinesCourse hours given are a guide only. You will be encouraged to work at your own pace to learn as much as you can, with no assignment deadlines or end date by which you must complete your course by. You are in control!
Study SupportPersonal tutor/mentor support from industry relevant professionals throughout your whole course. Mentors are contactable by e-mail, telephone and through the Moodle online classroom. They provide assistance with your course material, plus discuss, explain and give advice when needed. They will also mark and grade your assignments, plus provide constructive and helpful feedback vital to your success.
Suitability for Self Employment and Small BusinessesOur courses are ideal for sole traders and small business owners and their staff. Customer confidence in what you can do will determine how successful you are in getting clients. Doing the job right using the correct knowledge and skills, leads to repeat business and referrals to friends, family and work colleagues. Completing one or more of our courses for the service you have to offer, will give you the tools to achieve this and grow your business.
Recognition of Your Course By EmployersWe aim to achieve the correct balance between your qualification being recognised and providing you with the in-depth learning, to empower you to succeed. If you can demonstrate that you have the level of knowledge and transferable skills necessary to an employer, you should stand out from someone who has only received a superficial understanding of what's required - Select study option A when enrolling, so an employer can check the status of the awarding organisation for your qualification on the Ofqual Register.
Recognition of Your Course By UniversitiesAs you will see on our Testimonials page, previous students have used their qualification from us to get into university. However each one will have its own entrance criteria and acceptance may also depend on your other qualifications and experience. We can approach up to three universities on your behalf with details of our course before you enrol, so you will know whether it will be accepted as part of their application process. Please complete our contact form and we will begin the process.
Designing Your Own QualificationBundle up your choice of related courses to form your own qualification. Our Advanced Certificates (4 courses), Diplomas (6 courses), Advanced Diplomas (8 courses) and Higher Advanced Diplomas (12 courses), are used to differentiate between the in-depth knowledge and skills you will acquire in your chosen area of study. e.g. Advanced Certificate in Turf Care Management, which includes individual courses: Turf Care, Sports Turf Care, Turf Repair and Renovation and Turf Grasses.
How Can I Enrol?Online by selecting your study option, learning materials, plus payment option and then clicking the Enrol Now button - By contacting us for an application form - By telephoning us on 01227 789 649 (International: 0044 1227 789 649). Lines open 9am till 5pm Monday to Friday, excluding Bank Holidays and between Christmas and New Year.
How Can I Get a Pro-forma Invoice for my Employer?Contact us with details and we will email your employer an invoice. We will need: employer's name, address, telephone number, email address and contact name. We will also require your name, telephone number, email address, date of birth and the course and code you wish to enrol for.

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Previous Customer Experiences with our CoursesWoman leaping to the next level in her career development

"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 Trees 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

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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.