The story of bison grass vodka reaches back to 14th century Poland and extends to today. There, in the forest of Bialowieza, the continent’s last herd of bison grazes upon sweet, aromatic bison grass. Containing a blade of grass in each bottle, Ginny Tonic and Charlie jump into tasting a bottle of ZU and craft a traditional cocktail with one of the world’s original flavored vodkas. What they find is a treat they are anxious to share.