NCT06950801

Comparing the Effects of Indoor vs. Outdoor Horticultural Therapy on College Students

• Status: Active Not Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 120 (estimated)
• Sponsor: Ye Zhiyin · Academic / Other
• Sex: All
• Age: —
• Healthy volunteers: Accepted

Summary

This study used a randomised controlled trial to investigate the effects of different forms of horticultural group interventions on college students' depression, anxiety and subjective well-being, and the internal mechanisms of the effects. Participants are required to complete the following tasks: Attend one indoor/outdoor group gardening activity per week, lasting 2 hours each session, for a total of 8 weeks. Complete psychological scale assessments at five time points: before the activity begins, at 4 weeks after the start, upon completion of the activity, and at 1 week and 2 weeks after completion.

Conditions

• Healthy

Interventions

Type	Name	Description
BEHAVIORAL	outdoor-horticultural therapy	Students are randomly assigned to the Outdoor Horticultural Therapy group, where they will receive outdoor horticultural therapy for eight weeks
BEHAVIORAL	indoor-Horticultural Therapy group	Students are randomly assigned to the indoor horticultural therapy group, where they will receive indoor horticultural therapy for 8 weeks
BEHAVIORAL	General Psychological Group Counselling Team	Students were randomly assigned to general group groups to participate in an 8-week mental health group activity

Timeline

• Start date: 2025-03-20
• Primary completion: 2026-05-30
• Completion: 2026-06-01
• First posted: 2025-04-30
• Last updated: 2025-04-30

Locations

1 site across 1 country: China