Close to 200 families take care of the vineyards that supply the grapes for the wines. They are members of the cooperative that gave birth to Blue Fish. The growing area, called Mittelhaardt, is the northern district of Pfalz (Palatinate), the largest single Riesling growing appellation world wide!
They expanded the harvest of their winegrowers traditionally and individually as well as according to the latest technical knowledge. For example, the Riesling wines have been fermented at controlled temperatures since 1984, which gives them their particularly varied aromas.