German wine classification German wine classification is complex and special, with the maturity of grapes as the standard, and the maturity is mainly divided by the sugar content of grapes. Simply put, German wines can be divided into two categories ―― quality wines and ordinary wines. High-quality wine has strict regulations on the selection of grape varieties of origin, the harvest time, the alcohol content of the wine produced and the contents marked on the wine label, which are divided into two grades: QbA and QmP. Ordinary wine is divided into two grades: regional table wine (Landwein) and daily table wine (Afelwein).