Our internationally renowned signature course, covering training in the more serious aspect of horticultural practice
Aimed at those wanting to improve their horticultural knowledge and techniques this course will give students confidence in the garden or prepare them for a career in horticulture.
In the first term, students are introduced to foundational gardening principles, including taxonomy, bulb care, soil testing, and garden design basics, alongside hands-on visits to gardens like Sandhill Farm House and Arundel Castle. The second term deepens expertise with lessons on climbers, hedging, woodland gardens, and propagation techniques, paired with practical projects and specialist lectures on topics such as kitchen gardens and tree care. The final term focuses on advanced skills, including planting design with colour combinations, rose care, and visits to renowned gardens like Beth Chatto and Woolbeding.
Throughout, students engage in hands-on tasks, complete small design projects and attend garden visits, culminating in a celebratory graduation.
Lectures held at the Chelsea Physic Garden are led by leading horticulturalist with longstanding tutors including Edward Flint, Ben Pope, Caroline Jackson, Derry Watkins (Special Plants Nursery) and Michael Marriott. Previous guest lecturers include Rose Hardy (Hardy Plants), Darren Lerigo and Sarah Eberle.
We expect a high degree of commitment from our students. Work is graded on regular ongoing assessment and provided the required standard is reached, the final marks are graded Distinction, Credit or Pass. Our Diploma is highly regarded internationally and is an asset in securing future work.

The woodland Garden at Sandhill Farm House
Prospective students are advised to arrange a video call or an in person Information Session help at the Chelsea Physic Garden to learn more on the work involved and the required level of commitment. Both options are being held regularly so please email to inquire or click ‘Apply For This Course’ and await our confirmation.
How to Apply
To apply click on the 'Apply For This Course' button. For help or further information and to find out about our INFORMATION SESSIONS please contact us on Tel 01730 818373 or info@englishgardeningschool.co.uk
Apply for this course
Other Diploma Courses
An overview of all aspects of garden design
Are you considering a transition into the garden design profession or looking to create your own stunning garden? This course provides a comprehensive overview of all aspects of garden design, aimed at those considering a transition into the profession and passionate amateurs. You’ll start with the fundamentals, ...
View this course