This study aims to reveal the effect of school gardens and garden practices organised within the scope of Sustainable Development Goals on the environmental awareness of 36-66 months old children. The study group of the research consists of 29 children aged 36-66 months attending an independent kindergarten in Tarsus district of Mersin province. In the study, a structured interview form was used as a data collection tool after a detailed review of the literature. In the research, the answers given by the children in the interviews were analysed by content analysis method. As a result of the reliability calculation, the reliability of the study was found to be 96%. As a result, it was determined that the garden practices supported children to have knowledge about waste management, biodiversity, renewable energy and water saving and to develop awareness. In addition, although the data were collected for different age groups, the findings showed that there was no difference between age groups in terms of developing environmental awareness.