This article analyzes the politics of localizing food systems at play in the FPCs of Ghent (Belgium) and Philadelphia (Pennsylvania, USA). The focus is on the development of urban agriculture in both cities, and includes an analysis of the politics of scale through three scalar practices of scale framing, scale negotiating, and scale matching. This analysis reveals that differences in the way in which the politics of scale are played out in both FPCs resulted in the creation of different opportunities and constraints for urban agriculture development