seed sowing


A practical-based qualification to improve the horticultural skills needed for career development to supervisory or management roles, or to further develop your interest.

Entry requirements

Whilst there are no formal prerequisites for entry to the qualification, it is strongly recommended that students who undertake this qualification have obtained the RHS Level 2 Certificate in Practical Horticulture or equivalent before they commence on the course.

Course content

Mandatory units

  • Collecting and testing soil samples and specifying adjustments for horticulture
  • Collecting, preparing and propagating from seed
  • Establishing and maintaining a range of plant types and forms
  • Identification of a range of common garden plants, weeds, pests, diseases and disorders

Optional units

You must choose one of the following:

  • Planning, collecting, preparing and establishing propagation material
  • Management of green spaces, landscaped areas and ornamental gardens

Course details


Each unit will be assessed by means of a range of practical activities timetabled and assessed within the approved centre. They will cover all learning outcomes specified in the unit. Contact your approved centre for further details.

Qualification specification

Find out full details about the course.

Exam fees and approved centres

Statement of purpose

Contact us

We’re here to help cultivate your passion for horticulture. If you have any questions relating to qualifications please get in touch with us by email.

If your enquiry is urgent please contact the RHS Qualifications team on 01483 226500.
For general enquiries not related to RHS Qualifications please contact 0203 176 5800.

RHS qualifications

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Where can I sit RHS exams?
Take your RHS exams at RHS Garden Wisley or find an alternative exam centre near you.  
Registrations are now open!

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We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.