Revision Notes

RHS Level 3 Principles of Plant Growth


This advanced, 8 module online course prepares students to sit the RHS Level 3 Certificate in the Principles of Plant Growth, Health and Applied Propagation.

The course is ideal for those wishing to pursue a career in professional horticulture, as well as those already working in this field. It also offers a good foundation for higher level study. Keen amateurs will also find this a rewarding and informative course.

The course includes full study material, supplementary study notes, and full tutorial support right up to the exam. Course material is delivered as pdf files that are sent directly to your email address. You can also add optional printed workbooks to your order.

Enrolment Options

When you become a student you’re assigned an expert personal tutor who you can contact at any time by email and who will work with you throughout your course. A member of your tutorial team is also available by instant chat between 9 am and 9 pm, 7 days a week, to answer any questions you might have at time to suit you.

We recommend that students have some previous training or experience, either an RHS Level 2 Certificate or a similar qualification, before embarking on  the Level 3 course. This qualification provides a natural progression from the equivalent level 2 qualification.

At the end of the course you will be ready to sit the RHS Level 3 Certificate in the Principles of Plant Growth, Health and Applied Propagation, which you can do at an authorised examination centre in your area. (There is an additional fee for the examinations.) Your tutor will provide personal support and advice to help you complete your assignments and prepare effectively for the exam.

A well-regarded advanced qualification, ideal for students wishing to progress their career as well as those wishing to go on to further study. This is also a popular choice among keen amateur gardeners.


  • RHS Level 3 Certificate in the Principles of Plant Growth, Health and Applied Propagation.

Course Outline

Study topics covered include: plant propagation; health and safety; growing media and plant nutrition; plant anatomy and physiology; plant health; important pests, diseases and disorders; soil science; effective cultivation techniques; the root environment; plant taxonomy.

Module 1: Understanding the Plant Kingdom.
Module 2: How Plants Function.
Module 3: Soil Management.
Module 4: Plant Nutrition.
Module 5: Pests, Diseases and Disorders.
Module 6: Health and Safety When Using Pesticides.
Module 7: Plant Propagation 1.
Module 8: Plant Propagation 2.

The first batch of course material will be delivered within 2 hours* and you can then begin working through the material, print it off or save it to your computer.

(*7 days a week, between the hours of 5am and 9pm uk time only; at other times we’ll send through your material as soon as we get back to our desks!)

Terms & Conditions

You can enrol by phone between 10am and 4pm each day. Call 01896 860367 to speak to one of our advisers.

Alternatively, please download our postal enrolment form here.

Enrol by Four Instalments.

You can pay by instalments – four monthly payments of just £102.50. (Total cost: £410 – there is a £20 admin fee for this option.)

Click here to download our booking form and Standing Order form.

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