Weltner operates in Franken, Germany's distinctive continental wine region, where mineral-driven whites thrive in challenging conditions. The winery focuses on Sylvaner and Riesling—grapes that define the region's identity. Its flagship Hoheleite Sylvaner GG demonstrates the variety's capacity for structure and complexity, while the Flaschengärung Riesling Brut showcases sparkling precision. The Rödelseer Schwanleite Silvaner Alte Reben Trocken, sourced from old vines, reflects Franken's terroir-forward approach. These wines have been assessed by Wine Advocate, Falstaff, Decanter, Wine Spectator, and Wine Enthusiast, earning strong critical marks. Weltner's portfolio centers on dry, mineral expressions—the hallmark of serious Franconian winemaking.