Events, Press Release, Oregon, Festival NewsNorthwest Beer GuideMay 01, 2017Cascade Brewing Company, Portland, Oregon, Sour Flower FestComment Cascade Brewing presents Sour Flower Fest, May 18th - 21st Events, Press Release, Oregon, Festival NewsNorthwest Beer GuideMay 01, 2017Cascade Brewing Company, Portland, Oregon, Sour Flower FestComment