Way back in the day when your editor lived in the Upper Haight, we had to trek up to Real Foods to get some decent produce. Now Haight and Cole Valley residents can find a tasty leek or a fistful of peppery arugula at a new farmers' market slated to open on Wednesday, April 28, at Stanyan and Waller. This is also the same spot where a skate park is in the works. Which: rad.