Two Roll Call After Dark faves, Boundary Road bistro and Green Hat Gin, team up Thursday evening for a gin-centered cocktail hour starting at 5 p.m.

Last month, New Columbia Distillers, the makers of Green Hat, unveiled its spring/summer 2013 line of gin, which is heavy on floral and citrus flavors and highlights. Thursday night’s happy hour promises the unveiling of a cherry blossom cocktail and other speciality drinks. No cover, drinks are $10 a pop. 414 H St. NE.