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Horticulture III (Plant Health) 100 Hours Certificate Course


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Horticulture III (Plant Health) 100 Hours Certificate Course

Price: £325.00Course Code: BHT116
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( Bryony Mills, 14/03/2019 ) Q:

Does this give a qualification and if so, what is the qualification?

( 15/03/2019 ) A:

Hello Byrony,

Thank you for your question. 

If you select study option A when enrolling, your qualification certificate will be endorsed and issued by TQUK - Training Qualifications UK, an Ofqual Approved Awarding Organisation. 

The certificate will state "Level 4 Certificate in Horticulture III (Plant Health).

Best regards



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Horticulture III (Plant Health) 100 Hours Certificate Course


Horticulture III (Plant Health) course online. Achieve high standards of plant health! Learn with this practical course to identify and control pest and diseases in plants, to maintain high standards of plant health, in your business or at home.

Develop with this course a deep understanding of plant health, the systematic identification of health problems in plants and the techniques for control of those problems.


Learning Goals:  Horticulture III (Plant Health) BHT116
  • Identify the characteristics of pests and diseases of plants.
  • Explain methods for the control of pests and diseases.
  • Describe the characteristics of a range of different pesticides, including insecticides and fungicides.
  • Explain the selection and use of spray equipment appropriate for differenpecified tasks.
  • Describe aspects of the biology of an insect which are relevant to pest control.
  • Describe aspects of the biology of an fungus which are relevant to disease control.
  • Explain how inappropriate environmental conditions can affect plant health.
  • Identify the characteristic signs of a range of non-insect pests,
  • and select apropriate control methods.


Lesson Structure: Horticulture III (Plant Health) BHT116

There are 10 lessons in this course:

1  Introduction

  • Pests
  • Diseases
  • Common terminology
  • Diagnosing problems systematically
  • Tell tale symptoms
  • Conducting an inspection: four steps
  • Pest or disease reviews

2  Overview of Preventative Controls

  • Introduction
  • Methods of pest management
  • Integrated pest management
  • Cultural control
  • Using disease resistant varieties
  • Crop rotation
  • Timed planting
  • Mulching
  • Cleanliness
  • Biological control
  • Types of biological controls
  • Beneficial plants
  • Trap or decoy plants
  • Pheromone traps
  • Physical controls
  • Traps
  • REpellants
  • Mulching
  • Pruning
  • Wounds
  • Chemical controls
  • Understanding pesticides
  • Safely storing chemicals
  • Safely mixing chemicals
  • Legalities
  • Plant breeding for resistance
  • Sources and causes of resistance
  • Adaptability, resistance and pest variability

3  Insecticides

  • Types of insecticides: systemich, stomach poisons, contact poisons, etc
  • Inorganics, botanicals, organophosphates, carbamates, synthetic pyrethroids
  • Characteristics of insecticides: toxicity, spectrum, LD50, persistence, volatility, etc.
  • Golden rules for handling pesticides
  • Terminology

4  Other Pesticides

  • Chemical Pesticides: introduction
  • Review of common pesticides
  • Soil treatment for control of diseases
  • Soil pests
  • Types of fumigtants
  • Systemic fungicides
  • Comparative toxicities

5  Spray Equipment

  • Types of sprayers
  • Uses of sprayers
  • Spray terminology
  • Sprayer maintenance and cleaning
  • Selecting a sprayer
  • Calibration
  • Using chemicals: agitation, clean up and disposal
  • Basic first aid with chemical pesticides
  • Response to liquid or powder spills
  • Keeping records
  • Misters, Dusters, Blowers
  • Pesticides and the environment

6  Insect Biology

  • Insect classification: orders, sub classes
  • Insect anatomy: mouthparts, legs, etc
  • Lifecycle
  • Feeding habits
  • Practical project: Insect collecting, preserving, identifying, for an insect collection
  • Common insects that a gardener encounters
  • Ants
  • Aphis
  • Beetles
  • Borers
  • Bugs
  • Caterpillars
  • Cockroaches
  • Crickets
  • Earwigs
  • Fleas
  • Flies
  • Galls (caused by insects)
  • Grasshoppers
  • Ladybirds (good and bad)
  • Leaf hoppers
  • Leaf miners
  • Lerps
  • Mealy bug
  • Mosquitos
  • Scale insects
  • Termites
  • Thrips
  • Wasps
  • Whitefly

7  Fungal Biology

  • What causes disease
  • Symptoms of disease
  • Lifecycle of a disease: inoculation, penetration, infection, growth and reproduction, dissemination
  • Fungi groups: obligate saprophytes, obligate parasites, facultative saprophytes, facultative parasites
  • Expanded concept of tree decay
  • Chemical pesticides in the UK and Europe
  • Common diseases
  • Anthracnose
  • Bitter pit
  • Blights
  • Botrytis
  • Canker
  • Cinnamon fungus
  • Club root
  • Damping off
  • Galls
  • Gummosis
  • Leaf curl
  • Leaf spot
  • Melanose
  • Mildews
  • Rots
  • Rust
  • Scab
  • Silver leaf
  • Spot
  • Smut
  • Sooty mould
  • Wilts

8  Environmental Problems

  • Common environmental problems
  • Foliage burns
  • Pollution
  • Lack of water
  • Drainage problems
  • Frost
  • Hail
  • Shade
  • Temperature
  • Wind
  • Symptoms of nutritional deficiencies
  • Air pollution
  • The plant and water
  • Non parasitic problems in turf (lawns)
  • Ways to provide environmental protection to plants

9  Viruses

  • Overview
  • Symptoms
  • Detection and diagnosis of viruses
  • Control
  • Examples of virus diseases

10 Nematodes, Molluscs and Crustaceans

  • Overview
  • Millipedes
  • Plant nematodes
  • Nematodes in citrus
  • Red spider mites
  • Spiders
  • Slaters or wood lice
  • Snails and slugs


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.



Develop a checklist for determining the significance of pests and diseases, which addresses different criteria including:

  • Short term impact
  • Long term impact
  • Economic impact
  • Aesthetic impact.

Distinguish between the main types of plant diseases, including:

  • Fungal
  • Viral
  • Bacterial.

Create a standard worksheet for reviewing pest and disease problems of plants.

Diagnose different problems (ie. pests or diseases), documenting the problem on a standard pest/disease review worksheet.

  • Application of chemicals
  • Plant selection
  • Companion planting
  • Cultural techniques (i.e. improving ventilation, improving drainage)
  • Physical control (i.e. pruning, hand removal, trapping, hosing off).
  • Explain how plant breeding has been used to improve pest/disease resistance in different plant species.
  • Explain three biological control methods for dealing with specific problems.
  • Develop an IPM strategy for a specific situation such as a crop or garden, considering:
  • application procedures, remedial action and monitoring.
  • Describe plant hygiene practices for a specific situation such as a crop, nursery or garden, in line with industry practice, enterprise guidelines and sound management practice.
  • Recommend control methods for different pest and/or disease problems diagnosed.
  • List safety procedures to follow when handling pesticides.


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: 
Yello 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 WhitakerSteven 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?
Course StartBegin your course at anytime.
Course Prerequisite Horticulture I and II would be helpful - 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, plus final exam (N.B. Some courses have Final Project alternative).
Course Qualification (Study Option B)Certificate of Attainment from ADL - Completed written assignments only - no final exam.
Comparative Credits InformationUK Course Credits: 10 - U.S. Credit Hours: 3 - when compared to regulated courses.
Course Duration and Deadlines100 hours approx. Course hours given are a guide only. Work at your own pace with no assignment deadlines or completion date. 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 online classroom. They provide assistance with your course material, plus discuss, explain and give advice when needed.
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. Completing one or more of our courses for the service you have to offer, will give you the tools to 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. 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 UniversitiesPrevious students have used their qualification to get into university. However each one will have its own entrance criteria and acceptance may also depend on your other qualifications and experience.
Designing Your Own QualificationBundle up your choice of related courses to form your own qualification. Choose from a Diploma (6 courses), Advanced Diploma (8 courses) and Higher Advanced Diploma (12 courses.
How Can I Enrol?Online via eCommerce, by completing our Online Application Form, or by calling us on +44 (0) 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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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.