Adapted Gardening Ideas for Individuals with Disabilities
Gardening in Raised Beds and Containers for Individuals with Disabilities is a resource from the Virginia Cooperative Extension Service at Virginia Tech. It offers guidelines for setting up garden areas for people with restricted movement, and with the popularity of gardening these days, may give you ideas for planning leisure activities for students (or yourself!). Click on http://www.ext.vt.edu/departments/envirohort/factsheets2/landsnurs/aug93pr5.html.
Also available is "The Unlimited Garden" which has suggestions for working with people with limited vision and mobility: http://www.ext.vt.edu/departments/envirohort/articles2/unlimit.html