What is important to remember with blended wines is that their grape variety on AOC Alsace labels is not obligatory. So it’s possible to come across wines blended with several grape varieties but with no specific mention on its label.
In practice, the term Edelzwicker is commonly used to designate any blending of white AOC Alsace grape varieties, without any indication of percentage.
The varieties can be vinified together or separately.
The vintage year on labels is not obligatory.
In the past these different varieties came from the same parcel. Initially called Zwicker (blending), the prefix Edel (meaning noble) was added to show how only noble grape varieties were chosen and not any from large-scale producers.
Edelzwicker, unlike Gentil, is not waiting for an Interprofessional Charter to define its production conditions. The name Gentil is therefore reserved for AOC Alsace wines fulfilling the superior-quality blending standards. This blending must have at least 50% of Riesling, Muscat, Pinot Gris and/or Gewurztraminer, and the rest can be either Sylvaner, Chasselas and/or Pinot Blanc. Before blending, each variety must be vinified separately and must officially qualify as an AOC Alsace wine. The Gentil can only be sold after being tasted and approved.