Level 3 Advanced Technical Extended Diploma in Horticulture

How to apply Come to an Open Day


Study horticulture at Writtle College and develop specialist skills in garden design, plant care and estate management. Gain hands-on experience in college, and on placement.

Royal Horticultural Society Approved Centre logo

Royal Horticultural Society Approved Centre

We're an Approved Royal Horticultural Society (RHS) Centre, offering RHS qualifications which are widely recognised and respected in the horticulture industry.

We’re one of the leading land-based institutions in the UK, based on 150-hectare campus with temperature-controlled glasshouse, gardens and a large collection of trees and plants.

As a student at Writtle College, you’ll gain experience of planting, growing and caring for plants, shrubs and trees – including fruits and vegetables.

You’ll also learn about garden design and history, landscape construction, plant and soil science, plant production and identification, and estate management.

This extended diploma offers a range of optional study units in Year 2, and is ideal if you want to explore specific areas of horticulture.

Course options

Course options

Key facts

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Entry requirements


Entry requirements are not currently available, please try again later.

Fees and funding


Three students looking at plants and taking notes in a glasshouse

Hands-on learning

As a horticulture student at Writtle College you'll:

  • use our temperature-controlled glasshouse, gardens and large collection of plants across campus
  • develop essential skills in tractor driving and operating estate machinery
  • take part in projects at local schools and businesses such as maintaining, planting and designing gardens
  • go on field trips to gardens such as RHS Wisley, RHS Hyde Hall and Cambridge Botanical Gardens.
Three students standing in a group and looking at books

Outstanding student support

Join our student community and:

  • learn from experienced tutors, who'll provide encouragement and feedback
  • make full use of facilities including library and IT resources
  • access support, should you need it, with study skills, careers advice, health and wellbeing, and more.


Chartered Institute of Horticulture logo

Chartered Institute of Horticulture

Our horticulture courses are endorsed by the Chartered Institute of Horticulture and are constantly updated to keep pace with this fast-changing and dynamic industry.

Awarding body

City & Guilds logo

City & Guilds

City & Guilds is the global leader in skills development and apprenticeship schemes with 2 million learners working on diverse qualifications every year.

Careers and educational progression

Level 3 qualifications can provide a route into the horticultural profession, support career development if you’re already working in horticulture, or be a foundation for further learning or training.

After completing this course you’ll be ready to move into employment, with possible job roles including:

  • Production manager
  • Commercial manager
  • Landscape site manager
  • Gardener/grounds maintenance manager.

Or you might progress to university study. Writtle College is part of Anglia Ruskin University, and options at Writtle include our BSc (Hons) Horticulture (Certificate of Higher Education study option also available).

Apply now for Level 3 Advanced Technical Extended Diploma in Horticulture

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Do you have a question that we haven't answered so far? Talk to our application experts about courses at Writtle College.

We're here Monday-Thursday 9am-5pm (please note we close at 3.30pm on the first and third Thursday of the month for staff training), and Friday 9am-4.30pm.

Main entrance building and front lawn at ARU Writtle

Life in Writtle

Close to major cities, Writtle College is located on a picturesque 150-hectare campus in the heart of the Essex countryside.

Explore the Writtle campus