The grapes used in the production of Dow’s Fine Ruby were a blend of traditional Portuguese varieties from the Douro Valley.Dow’s Fine Ruby was aged in seasoned oak casks at our lodges in Vila Nova de Gaia for an average of 3 years, and bottled when read | For over two centuries the name of DOW has been associated with the finest Port from the vineyards of the Upper Douro Valley. Throughout the 20th Century and into the 21st, the Symington family has built on the legacy of the preceding Silva and Dow fami