RHS - Royal Horticultural Society Qualifications Courses

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RHS - Royal Horticultural Society Online Courses

ADL is an RHS (Royal Horticultural Society) Distance Learning Approved Provider.

For over 10 years we have successfully prepared students for the prestigious RHS qualifications.
You do not require any knowledge of horticulture in order to study for the RHS theory Certificates, Levels 2 & 3.

To begin your RHS course all you need is passion and enthusiasm for all things gardening.

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RHS Syllabus / Exam changes for 2022:   Important changes are taking place in 2022 for RHS courses.  To find out more and what these changes are and how they might affect existing and new students, please click here.   In accordance with the Royal Horticultural  Society website, no existing or new students will be disadvantaged by these changes.

If you need further clarification please contact our Support Team either by email, phone or webchat as listed on our banner.


The RHS lesson content provided by ADL focuses exclusively on the RHS Online Courses syllabus. The course material has been specifically designed by experienced professional horticulturists to follow the RHS requirements.

Our students come from all walks of life, all ages, and with various levels of horticultural knowledge.

When you enrol you are allocated your own personal dedicated tutor, experienced and qualified in preparing you for the RHS examinations. You may contact your tutor as often or as little as you like.


Learn and prepare your future today with an approved RHS distance learning course from ADL.

Become one of the many ADL worldwide graduates, who have gone on to become established horticulturists and gardeners.

To qualify for the RHS Level 2 or Level 3 Theory certificates, you will need to pass four unit exams per certificate. Exams are held in February and June of each year. Registration is required 3 months before these dates.

Past test papers are readily available. Please note that exam fees are paid to the RHS Centre direct when booking your date.

RHS links for examination procedures, dates, fees, and exam centres are listed with each course description.


Demand for Horticulturists in the UK and abroad is on the move. The cause for this demand is related to increases in horticultural production globally.  However, within the industry, there is an undersupply of horticultural graduates.

If you want a career in horticulture, anywhere in the world, then first you need a solid foundation. RHS qualifications meet this requirement. They are broad-based and cover everything from landscaping and turf to crop production, propagation and plant health, nursery management, and much more…

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