RHS Theory - Principles of Horticulture

RHS Level 2 Certificate

Register interest


RHS have redsigned their RHS Level 2 Diploma for those wanting a route to employment in professional horticulture or further personal interest. Designed to be studied individually on a part-time basis they're flexible to any schedule. The RHS Level 2 Diploma is awarded to those that who successfully achieve the RHS Level 2 certificates Practical Horticulture and Prinicples of Plant Growth and Development. 

RHS Principles of Principles of Horticulture

This theory based qualification provides a comprehensive understanding of the principles that underpin professional practices and theories which support horticulture techniques. In essence the Science behind the Plants.  Each Unit is assessed by written examinations throughout the year.  The course covers topcs that include:

Topics include

  • Plant Botany and Physiology;

  • Plant Science;

  • Plant health and Nutrition.

Course details

Dates & Location

September - 2023 (Dates will be released circa July, 2023)

If you are interest in this course then please register your interest here

Stanmer Campus - One Garden Brighton


1 day for 36 weeks

9:30 - 16:00



Fee remission is attached to this course. 

Entry Requirements

An existing horticultural qualification is strongly recommended or related industry experience.

Future Opportunities

These RHS Courses are suitable for:

  • Those wishing to enter horticultural employment for the first time;
  • For those who are already working in horticulture who want to develop their skills;
  • And for those who wish to progress to further horticultural study at level 3.
  • It is also suitable for those who wish to enter horticulture as a change of career and are seeking the necessary foundation skills.

After completing the RHS Level 2 Diploma you can further complete your RHS Practical Horticulture Skills Level 3.

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