Resources
Mitchell's Book

Horticulture as Therapy:  A practical guide to using horticulture as a therapeutic tool

Mitchell Hewson wrote this original Canadian textbook on Horticulture as a therapy in 1994.  It remains relevant today and can be ordered from Mitchell directly, by downloading the order form or contacting Mitchell by email
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Selected Articles

Newsletter of the Canadian Horticultural Therapy Association, Winter 2017 
An article honouring Mitchell's contribution to the field, link here

Horticultural Therapy: A humanistic approach for residents with dementia, link here

** Note that downloads are set to open as PDF files in a new tab of your internet browser **
Published by a Colleague

The book "Therapeutic Horticulture A Practitioner’s Perspective" contains 50 essays on the health-horticulture connection, healing gardens and people plant interactions....and 100 photos exploring therapeutic horticulture.

Written by Lesley Fleming, HTR. Recipient of AHTA 2016 Publication Award & AHTA 2018 Rhea McCandliss Professional Service Award.  Available at Smashwords (online).