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. Ultimately we hope this will win recognition for the profession. You are warmly invited to get involved wherever you are in the world, whether you are an experienced practitioner, someone who loves gardening and has felt its therapeutic benefits, or you’re just exploring this wonderful field for the first time. It’s so easy to take part!
- Pick up some of the free WTHD resources on this page and
- Share your story together with the free resources here on social media (or with print, radio and TV media) and don’t forget to use the hashtags (e.g. #WTHD ) and tag @Trellis_network and some of the other participating groups so that we build momentum together with the same messages.
- Share, like and post especially on the 18th May and the week leading up to it. We really look forward to hearing your stories.
Do share the links here with others you think may be interested. WTHD is recognised on the There is a day for that website of international and national days of celebration and awareness raising
We are very grateful to our partners at Root in Nature for all their sterling work in putting together much of the social media content and promotion planning for WTHD 2024 and 2025
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Putting Social & Therapeutic Horticulture on the map and bringing people together to share knowledge
- Countries joining the movement include UK, United States, France, Italy India, Nigeria, Sweden, Dominican Republic and Croatia.
My Therapeutic Horticulture Story
This page features stories from around the world from moments of connection with nature, TH activities in action, and favourite therapeutic garden space. Stories from people who benefited from TH, practitioners and combinations of these, experienced and new to the field!
Social Media Posts
We have created a customizable social post that anyone can translate into their respective languages.
- Customizable Social Post & Caption (in the Notes): Click here
- Video tutorial on how to customize Canva templates (this was filmed for an info sheet, but the process is the same for social posts): Click here
Press release
Download the press release.
World Map
Emilee Weaver of Root in Nature is creating a globe icon showing each participating country as a flag. The data added will be combined to create a globe icon representing how much participation we have from around the world. We can all share this globe icon in May to show how big the movement is and later to show that more countries are taking part after WTHD week (this will be a good measure of the impact of our collective efforts).
Please complete the details on the form below to show your country will be participating. Thanks for filling in your information!
What is Therapeutic Horticulture?
Download this reel about TH.
Info Sheet - What is Therapeutic Horticulture?
Download this information sheet and find out all about TH.
The Wellbeing Garden Podcast - A Conversation with Fiona Thackeray
Fiona Thackeray, Trellis CEO, joined Cath Manuel on The Wellbeing Garden Podcast to talk about all thing WTHD!
Watch this short video and hear about the importance of Therapeutic Horticulture.
Take a look at the Green Care article that mentions WTHD. Read now.
English Translation is available to read here.
Join Trellis for these live online seminars in celebration of World Therapeutic Horticulture Day.
WTHD25 Archive
Seminar: Scottish STH Practitioners supporting those with Mental Health Difficulties
Seminar: Scottish STH Practitioners supporting those with Mental Health Difficulties
Suzanne Fox shares the findings of her MSc Research on The Experience of Social and Therapeutic Horticulture Practitioners Working to...
Seminar: Why, What and How to measure the benefits of STH
Seminar: Why, What and How to measure the benefits of STH
Alison Marsden will share her MSc research on outcome measurement in Social and Therapeutic Horticulture. Why, What and How to...
Seminar: Growth and Recovery from Sexual Violence Through Gardening and Craft
Seminar: Growth and Recovery from Sexual Violence Through Gardening and Craft
Autumn Roesch-Marsh, University of Edinburgh: Emma Martindale, Trellis and Lara Armitage, Birkhill House share the research findings from a study...
Planning Meeting - World Therapeutic Horticulture Day
Planning Meeting - World Therapeutic Horticulture Day
Topic: WTHD Planning meeting Time: Apr 30, 2025 14:30 London Join Zoom Meeting https://us02web.zoom.us/j/86786035518?pwd=EtqIOlR2iPKkDbSsW5jpIb6jTZ27R… Meeting ID: 867 8603 5518 Passcode...
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