The greater Bay Area is surrounded by a lot of commercial farmland, whether it's vineyards in Napa or strawberries in Watsonville. But there are also a number of urban farms—plots of land, or even rooftop gardens, that lie within big cities. With land at a premium, how can these small growers afford to grow food in an urban environment? Reporter Dana Cronin visits a few to find out. 

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This episode was reported by Dana Cronin. Bay Curious is made by Olivia-Allen Price, Amanda Font, Christopher Beale, Katherine Monahan and Brendan Willard. Additional support from Paul Lancour, Cesar Saldaña, Jen Chien, Jasmine Garnett, Carly Severn, Jenny Pritchett and Holly Kernan.