RESEARCH

A Systematic Review of the Effects of Horticultural Therapy on Persons with Mental Health Conditions

This systematic review of 14 studies found evidence that horticultural therapy, involving activities like gardening, can improve mental function and performance skills in individuals with mental health conditions.

Program Types: Therapeutic

Population Groups: Older Adults/Seniors, Dementia/Traumatic & Acquired Brain Injuries, Mental Health Challenges/Trauma, Addiction/Substance Use Disorders

Setting or Context: Assisted Living/Long-Term Care Homes, Low Care/Independent Long-Term Homes, Residential Programs

Health and Wellness Outcomes: Improved Mental Health, Enhanced Emotional Well-being, Greater Sense of Purpose, Improved Stress Management, Improved Sleep Quality, Increased Self-Efficacy, Community Building

Allied Profession Intersections: Recreational Therapy, Occupational Therapy, Physical Therapy, Social Work

Type of Activity: Sensory Stimulation, Indoor Plant Care, Outdoor Gardening, Edible Plant Gardening, Meal/Diet-Based Activities, Nature-Based Arts & Crafts, Plant Propagation, Growing Plants from Seed

Evidence Type: Peer-Reviewed Studies, Meta-Analyses/Systematic Reviews

Measurement and Evaluation: Metrics for Mental Health, Standardized Assessment Tools

Access: Paid

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Summary

This systematic review delves into the impact of horticultural therapy (HT) on individuals grappling with mental health conditions. Researchers rigorously analyzed 14 studies published between 1992 and 2015, employing the McMaster’s Critical Review Form to meticulously evaluate the quality and relevance of each study. The HT interventions encompassed a variety of activities, including gardening, planting, and engaging in other plant-related tasks.

The review revealed moderate evidence suggesting that HT can lead to improvements in client factors and performance skills among individuals with mental health conditions. Notably, 11 of the 14 studies showcased statistically significant improvements in at least one measured outcome after participants engaged in HT. These positive outcomes spanned diverse settings and mental health conditions, indicating the potential of HT as a valuable therapeutic approach. The study highlights the need for more research using randomized control trials to strengthen the evidence for HT.

Link

Cipriani, J., Benz, A., Holmgren, A. et al. (2022). A systematic review of the effects of horticultural therapy on persons with mental health conditions. Occupational Therapy Mental Health, 33(1), 47-69.

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