OBJECTIVE: The aim of the present study was to identify experiences with gardens in public schools in the Distrito Federal, Brazil, and to analyze factors involved in their use to promote healthy eating habits. METHODS: This is an analytical cross-sectional study with data collection in two phases: (1) telephone contact with all public schools in the Distrito Federal; (2) interviews conducted with a sample of schools with a garden (n=105). RESULTS: Of the 582 schools in the Distrito Federal, 453 (77.8%) participated in phase 1 and 37.7% of these had a garden. Rural schools had a higher prevalence of gardens (p=0.003). Among the schools which had no garden, 75.2% (n=212) had interest in creating one. The main reason for the deactivation of gardens was a lack of manpower to maintain them. The main reason for creating a garden was to supplement school food (56.2%). The garden was used as an educational space to promote healthy eating habits by 60.8% of the schools. CONCLUSION: An expressive percentage of schools with gardens (37.7%) was identified in the Distrito Federal. A number of factors were associated with the presence of a garden, including the location and size of the school, as well as the level of education. A significant percentage of schools reported using the garden as a space to promote healthy eating habits. This result must be refined by assessing the use and impact of gardens as a tool to promote healthy eating habits in the school community.