Learn how to support people's health and wellbeing through therapeutic horticulture.
Our training and learning materials are created and delivered by experienced practitioners. From practical demonstrations to interactive training modules and comprehensive information resources, we are here to support you. Designed to cater to different learning styles and levels of experience, we have a varied menu of courses and events to choose from. We provide CPL certificates to all participants in our Seminars, Live Demos, Seasonal Gardening Activities Programme and Therapeutic Horticulture Courses.
Explore our upcoming training & events
Is your TH project ready for referrals from health, care and social prescribing services?
Is your TH project ready for referrals from health, care and social prescribing services?
Join Fiona and Emma as they share their experience of using therapeutic horticulture (TH) to support health and wellbeing —...
The Long and Winding Road- A Look at Past Projects, Lessons Learned and Future Growth in Therapeutic Horticulture with Professor Matthew J. Wichrowski, NYC
The Long and Winding Road- A Look at Past Projects, Lessons Learned and Future Growth in Therapeutic Horticulture with Professor Matthew J. Wichrowski, NYC
Join Professor Matthew J. Wichrowski of NYU Langone Hospital Center, New York as he draws on over 30 years of...
Professional Development Forum - 27th October 2026
Professional Development Forum - 27th October 2026
The Professional Development Forum brings together practitioners from across the UK to explore best practice, share learning, and strengthen the...
Introduction to Therapeutic Horticulture 2026-27
Introduction to Therapeutic Horticulture 2026-27
Curious about Therapeutic Horticulture? Wondering what it involves, what it looks like in practice, where it takes place, and how...
Ready for Winter? Getting through the colder months with your TH group
Ready for Winter? Getting through the colder months with your TH group
Explore how to support your therapeutic horticulture (TH) group through the challenges of winter. From planning for staff absences and...
Core Characteristics of Therapeutic Horticulture Spaces 2026-27
Core Characteristics of Therapeutic Horticulture Spaces 2026-27
This Foundation Level session introduces the key practical and theoretical considerations involved in creating and using Therapeutic Horticulture (TH) spaces...
How Can Therapeutic Horticulture Support Mental Health? 2026-27
How Can Therapeutic Horticulture Support Mental Health? 2026-27
This Intermediate Level session explores how Therapeutic Horticulture can play a meaningful role in supporting mental health and recovery. Build...
Adaptive Gardening for Wellbeing 2026-27
Adaptive Gardening for Wellbeing 2026-27
Learn how adaptive gardening techniques can help you support your clients’ wellbeing. This foundation-level session introduces the key theories and...
Therapeutic Horticulture Course
Trellis Therapeutic Horticulture Courses provide foundation and intermediate level training for staff and volunteers working in health, care, education and community roles.
Seasonal Gardening Activities Training Programme
The foundation level Seasonal Gardening Activities Training Programme is designed to boost your professional development with lots of practical gardening activities to engage clients and those in care settings, both indoors and out, throughout the year.
How to Videos
Our library of "How to videos" will inspire you with gardening and craft activity suggestions - for indoors and out. They demonstrate adaptive gardening techniques and enable you to make the most of your outdoor space, no matter how big or small.
International Seminar Series
Our Seminar Series has been running for 5 years and have grown in size and reputation. The seminars are for anyone who is interested in therapeutic horticulture, for those already working in the field and anyone who is just diving into this wonderful world for the first time.
World Therapeutic Horticulture Day 2025
World Therapeutic Horticulture Day (WTHD), inaugurated by Trellis in 2023, on the 18th May each year is a worldwide celebration that aims to raise awareness of the practice of therapeutic horticulture the many benefits it brings to communities around the world and the amazing people who work in the field.
Trellis Therapeutic Horticulture Conference
Our annual conference attracts over 100 delegates each year from across Scotland and the UK.
Our most recent Conference took place on 14 March 2025.
Learning & Networking Meet Ups
Throughout the year we arrange in-person networking seminars in various locations across Scotland. These events allow people from all areas of therapeutic horticulture to come together and share their experience and knowledge.
Professional Development Award
We are currently developing a Professional Development Award that we hope will be available in 2026, and is likely to be based on a day release model.