Bacchus is a crossing of Silvaner, Riesling and Müller-Thurgau. Its floral Muscat tone is reminiscent of Scheurebe.
Like Scheurebe, Bacchus was a rising star in the 1970s, reaching its peak in the 1990s, and continually declining in vineyard area ever since. In 2010, there were barely 2,000 hectacres still being cultivated, primarily in Rheinhessen and Franken. Part of its popularity with growers stems from the fact that unlike Riesling, it is an early ripener that achieves high must weights. As such, it can be planted in sites that aren't really suitable for Riesling.