Learn how to support people's health and wellbeing through therapeutic horticulture.
Our courses 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.
Trellis Members receive a discount of 20% on fees for selected courses plus the advantage of priority booking.
Supplement your learning with key activity resources available from the Trellis Shop
Choose from our learning options to build your skills and knowledge, all Continual Professional Learning (CPL) accredited:
- Online Learning: Therapeutic Horticulture Course - foundation and intermediate levels. 3-hour interactive live sessions
- Online Learning: Live Demos of gardening activities & crafts - foundation level, suitable for all. Short sessions for those with little or no gardening knowledge, or who wish to extend their activity repertoire. If you garden with a group, join us in these short sessions as a group activity
- Online Learning: Seasonal Gardening Activities Training Programme - foundation level, suitable for all. 10-hour Seasonal units build your gardening activity skills and support planning year-round activities All units and resource packs are available from the Trellis Online Shop.
- Online Learning: How To Videos Excellent resources showing 'how to' as well as providing 'do-along' activities for your group. Play and pause at a time to suit you.
- Online Learning: International Seminar Series
- Professional Development Award (PDA) in Social & Therapeutic Horticulture at SCQF level 7, to be delivered by a network of colleges. *In Development*
- In-person Learning: Training and Networking Seminars
- Trellis Conference is the national conference for Therapeutic Horticulture (TH)
Training Sessions
Subject to funding and staff availability Trellis can offer exclusive training sessions for your staff and volunteer team from £695 , plus materials and travel costs.
This includes a day of training for up to twelve participants, covering topics such as:
Therapeutic horticulture
Practical gardening skills
Adapting gardening activities to suit your group’s needs
Health and safety considerations when gardening with groups
Training content can be tailored to your requirements—please contact us to discuss topics, options and availability at info@trellisscotland.org.uk
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.
Training Events
Trellis offers a variety of training opportunities in-person and online
Keep your Continual Professional Learning (CPL) up to date and extend your gardening activity repertoire through a range of fun, practical training opportunities.
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.
Networking Seminars
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.
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.
Trellis Shop
Our Seasonal Gardening Activities Training Programme, Seasonal Resource Packs, Year-round Gardening Book, Trellis Guide - How to set up a Therapeutic Gardening Project and much more is available to purchase in our online shop.
Bespoke Training Sessions
Subject to funding and staff availability Trellis can offer exclusive training sessions for your staff and volunteer team from £695 , plus materials and travel costs.
This includes a day of training for up to twelve participants, covering topics such as:
Therapeutic horticulture
Practical gardening skills
Adapting gardening activities to suit your group’s needs
Health and safety considerations when gardening with groups
Training content can be tailored to your requirements—please contact us to discuss topics, options and availability at jenny@trellisscotland.org.uk
Subject to funding and staff availability Trellis can offer exclusive training sessions for your staff and volunteer team from £695 , plus materials and travel costs.
This includes a day of training for up to twelve participants, covering topics such as:
Therapeutic horticulture
Practical gardening skills
Adapting gardening activities to suit your group’s needs
Health and safety considerations when gardening with groups
Training content can be tailored to your requirements—please contact us to discuss topics, options and availability at jenny@trellisscotland.org.uk
Professional Development
Trellis founded the Association for Social and Therapeutic Horticulture (ASTH) and the new Professional Development Award (PDA) in Social and Therapeutic Horticulture. Trellis are here helping you build recognised skills, deepen your knowledge and contribute to a shared national standard for quality practice. Whether you’re preparing for formal assessment or strengthening your day‑to‑day delivery, our learning resources, forums and peer networks offer a supportive pathway to grow your confidence and shape the future of STH across Scotland.
In-Person Learning
Our in-person events allow participants to build professional relationships, exchange ideas, and collaborate on projects. Furthermore, we believe that in-person learning allows for the inclusion of cultural and social context, which is crucial for understanding and applying concepts in the diverse range of therapeutic horticulture settings.
Online Learning
Our online learning options are created and delivered by our team of experienced practitioners. For foundation and intermediate level courses - from live demos to interactive modules and comprehensive resources, we are here to support you.
Professional Body
Welcome to the UK Association for Social and Therapeutic Horticulture (ASTH) – the professional body representing therapeutic horticulture across the UK.