Objectives: The present study investigated the effectiveness of horticultural therapy on increasing of self esteem and general health in seniors.

Methods & Materials: The study design was semi experimental. The study population was all of seniors that lived in nursing home residents of Tehran in 1392 that 24 of them were selected by convenience sampling method. Then, we assigned them in control (12 people) and experimental (12 people) groups. For gathering data we used Cooper Smith self-esteem inventory and General Health Questionnaires (GHQ). The entry criteria were obtaining low score in self esteem inventory and obtaining high score in General Health Questionnaire. Also exit criteria were relinquishment of any of subjects to continue of research process. The experimental group was exposed to 13 sessions of gardening instruction and all equipment of gardening provided by researcher for all of groups’ members. Then, both groups completed mentioned tools twice at the end of gardening therapy: at the post test and follow up stage (3 month later). Data analysis was performed by using of variance with repeated measures.

Results: results showed that there is a significant difference between mean scores of general health and self esteem in post test and follow up stages compared to pre test stage. In other words, gardening therapy for increasing of self esteem and general health in seniors has been successful.

Conclusion: Horticultural therapy can improves general health and self esteem of seniors who living in nursing homes. Also as a non-drug treatment and low cost for other groups of patients is recommended.