RESEARCH

Evaluation of a Horticultural Activity Programme for Persons With Psychiatric Illness

This study evaluates the impact of a horticultural activity program on stress, work performance, and quality of life for individuals with psychiatric illness in a sheltered workshop setting.

Program Types: Therapeutic, Vocational

Population Groups: Mental Health Challenges/Trauma

Setting or Context: Community Gardens, Workplace Environments

Health and Wellness Outcomes: Enhanced Emotional Well-being, Improved Mental Health, Improved Stress Management

Allied Profession Intersections: Behavioral Therapy, Occupational Therapy, Recreational Therapy

Type of Activity: Indoor Plant Care, Outdoor Gardening

Evidence Type: Quantitative Research, Randomized Controlled Trials

Measurement and Evaluation: Metrics for Mental Health, Patient-Reported Outcomes, Program Effectiveness

Access: Free

Summary

The research involved 24 participants with psychiatric illnesses, randomly assigned to a horticultural therapy group or a control group receiving conventional sheltered workshop training. The horticultural therapy group attended 10 gardening sessions over two weeks, focusing on plant care, harvesting, and relaxation techniques. Results showed that participants in the gardening group had significantly lower anxiety, depression, and stress levels compared to the control group. However, no significant improvements were found in work performance or overall quality of life, suggesting that a longer intervention period may be needed to observe broader benefits.

Participants reported emotional relief, increased social engagement, and a sense of accomplishment from working with plants. Qualitative feedback indicated that gardening provided a calming and enjoyable experience, but some participants found the physical activity tiring. The study concludes that horticultural therapy is effective for reducing psychological distress in individuals with psychiatric conditions, though further research is needed to measure its long-term effects on employment skills and well-being

Link

Kam, M. C., & Siu, A. M. (2010). Evaluation of a horticultural activity programme for persons with psychiatric illness. Hong Kong Journal of Occupational Therapy, 20(2), 80–86

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