RESEARCH

Effectiveness of Horticultural Therapy in Aged People with Depression: A Systematic Review and Meta-Analysis

This systematic review and meta-analysis evaluate the effectiveness of horticultural therapy in reducing depression among older adults, identifying optimal intervention settings, activity types, and duration.

Program Types: Therapeutic

Population Groups: Older Adults/Seniors, Mental Health Challenges/Trauma

Setting or Context: Hospitals/Clinics

Health and Wellness Outcomes: Improved Mental Health

Allied Profession Intersections: Behavioral Therapy, Counselling

Type of Activity: Outdoor Gardening, Edible Plant Gardening

Evidence Type: Meta-Analyses/Systematic Reviews

Measurement and Evaluation: Metrics for Mental Health

Access: Free

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Summary

The study synthesizes findings from 13 studies involving 698 older adults with depression to assess the impact of horticultural therapy. The meta-analysis confirms significant reductions in depressive symptoms, with care-providing settings (e.g., nursing homes, hospitals) yielding better outcomes than community-based programs. Participatory activities such as planting and harvesting were more effective than observational activities like walking in gardens. Additionally, interventions lasting 4–8 weeks showed the most significant improvements, whereas longer programs had diminished effects.

Key takeaways highlight horticultural therapy as a non-pharmacological intervention that enhances mood, social engagement, and cognitive function. The study suggests designing therapy programs in structured care settings with hands-on activities for at least 4–8 weeks to maximize benefits. Future research should explore the long-term impacts and mechanisms behind horticultural therapy’s effectiveness in treating geriatric depression.

Link

Xu, M., Lu, S., Liu, J., & Xu, F. (2023). Effectiveness of horticultural therapy in aged people with depression: A systematic review and meta-analysis. Front. Public Health., 11, 1142456.

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