Director of Therapeutic Horticulture/Environmental Horticulture Faculty
University of Florida
Elizabeth (Leah) Diehl, RLA, HTM is Director of Therapeutic Horticulture at Wilmot Botanical Gardens and Lecturer in the Environmental Horticulture Department at the University of Florida. She is a licensed landscape architect, master gardener, and professionally registered horticultural therapist. She manages and teaches an undergraduate certificate program in horticultural therapy at UF, conducts research, and runs therapeutic horticulture programming for diverse populations, where she coordinates clients, students, and volunteers. Her current research projects are exploring the effects of a structured therapeutic horticulture program on student stress and anxiety and also on individuals with Parkinson’s Disease and their care partners. Leah serves as a consultant and instructor with the National Parks Board and Ngee Ann Polytechnic, both in Singapore. She began her work in horticultural therapy in Chicago in 1993, and has given lectures, workshops, and trainings on horticultural therapy, healing gardens, and related topics throughout the U.S. and abroad.
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