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RHS Level 4 Diploma in Horticultural Practice

Duration: 2 years


Students rotate through 10 departments in the Garden, learning practical horticultural skills and gaining valuable experience. The course also comprises a detailed lecture and masterclass programme, and students complete various pieces of assessed coursework.

Additional qualifications

Students on the DHP are put through a number of short practical based national qualifications, which include:

  • FEPA PA1 & PA6aw (pesticides)
  • Tractor driving
  • Strimming & brushcutting
  • Using a hedge trimmer
  • Tree assessment course
  • Manual handling course

Read the Level 4 DHP Factsheet (1.1MB pdf)
Read the Level 4 DHP Qualification Specification (259kB)

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Specialist Horticultural Placement

Duration: 1 year

In addition to the Level 4 Diploma in Horticultural Practice, RHS Garden Wisley also offers a limited number of opportunities each year to gain experience in a specialist area. This is a one year placement in the garden within the: Glasshouse, Fruit and Vegetable, Rock and Alpine or Arboriculture teams. The placement involves the production of some academic work as well as a whole year’s experience within the garden.

General information

  • Self-catering, en-suite accommodation is provided at Hanbury Court in the village of Wisley.

  • All rooms have broadband internet access.

  • Find out more about student life.


Applicants are expected as a minimum to hold a National Certificate in Horticulture, an RHS Level 2 in Horticulture, or similar. Additionally applicants should also have at least six months of practical horticultural experience in a professional environment.


RHS Garden Wisley

Applications for these training courses open 1 December and close in February, please see our RHS Vacancies site for full information on how to apply.
NBFor the Specialist Horticultural Placement please specify which area you are interested in on the application form.

Apply now

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