Skip to main content
Become a member
Donate
Search
About Us
Toggle submenu
What we do
Our Impact
Information Services
On-site support
Learning
Case Studies
Advertise or find a job
Gardening Group Map and Directory
Our Vision
News
Latest News
Newsletters
Meet the Team
Patrons
Board
Staff
Fieldworkers
Join & Support Us
Toggle submenu
How Your Support Helps
Ways to Give
Donate
Become a Friend of Trellis
Join our Growing Circles
Edinburgh Floral Clock 2026
Celebration and In Memory Giving
Remember Trellis in Your Will
Corporate Partnerships
Corporate Opportunities
Open Your Garden
Fundraise for Trellis
Making a Difference Cards
Therapeutic Horticulture
Toggle submenu
International Organisations
The Benefits of Therapeutic Horticulture
Adaptive Gardening™
Knowledge Base
Theory of Change
Get Gardening
Toggle submenu
Get Started
Become a Member
Set up a Therapeutic Gardening Project Guide
Have-a-go Pack
Activity Sheets
Year Round Gardening Book
How to Videos
Garden Bites Activities Calendar
On-site Support
Running Your Garden Project
Factsheets
Find Funding
Health & Safety
Evaluation
Working with Volunteers
Plastic-free Gardening Book
Trellis Books
Horticulture
Find a Therapeutic Gardening Group
Directory of Therapeutic Gardening Groups
Map of Gardening Groups
Case Studies
Frequently Asked Questions
Training & Events
Toggle submenu
Events
Upcoming events
Trellis Conference
World Therapeutic Horticulture Day
International Seminar Series
Learning & Networking Meet Ups
Trellis AGM
Training
Upcoming training
TH Essentials Training
Professional Learning Seminars
Seasonal Gardening Activities
Activity Demonstration Library
Seminar Video Library
Professional Development
Professional Body
Professional Development Award
Upcoming training & events
Research Index
Recommended Reading
FAQs
Jobs & Careers
Toggle submenu
Current Vacancies
Advertise a Job
Careers
Volunteering
Jobs Archive
Contact
Toggle submenu
Ask a Question
Sign Up to Stay in Touch
Shop
John Marshall - Potatoes: a journey through time and around the globe
Potatoes: a journey through time and around the globe Saudi Arabia, Vietnam, Xanadu, Peru
