2021 Environments for Aging

Elizabeth "Leah" Diehl
Director of Therapeutic Horticulture
The University of Florida's Wilmot Botanical Gardens


Leah creates and directs programming for many diverse populations, including older adults. She also coordinates research efforts and manages educational programs for students and volunteers. Leah served as Editor-in-Chief of the Journal of Therapeutic Horticulture from 1999-2014, and has taught landscape architecture, horticulture, and horticultural therapy courses at several universities and published many papers on horticultural therapy and therapeutic landscapes. She has provided numerous presentations and courses on people-plant interactions in the U.S. and abroad and currently serves as a consultant and educator in therapeutic horticulture, primarily for older adults, for the Singapore National Parks Board.

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