Location and classification
Rosenberg is a legally registered single vineyard in the Pfalz, in the area of Südliche Weinstraße and within the Großlage Königsgarten. The site comprises plots within the cadastral areas Birkweiler, Landau in der Pfalz–Arzheim and Siebeldingen.
Area and topography
The 2024 vineyard directory lists a total of 185.9 hectares of planted vineyard area for Rosenberg: 29.6 hectares in Birkweiler, 152.3 hectares in Landau in der Pfalz–Arzheim and 4.0 hectares in Siebeldingen. For the section classified as Birkweiler Rosenberg, a south to south-east aspect, a height of 180 to 220 metres and a slope gradient of 15 percent are given. Arzheimer Rosenberg is oriented to the east to south-east, lies at about 200 metres above sea level and has a slope gradient of 5 to 10 percent.
Soils and grape varieties
Birkweiler Rosenberg is shaped by Triassic marl from the Keuper and is designated for Chardonnay and Weißburgunder (white Burgundy). In Arzheimer Rosenberg, loess soil is documented; Chardonnay and Spätburgunder are designated there. The VDP classifies both sections as VDP.ERSTE LAGE®. This private VDP classification does not cover the entire legally registered area of Rosenberg.
Winemaking
The wines Birkweiler Rosenberg Chardonnay and Siebeldingen Rosenberg Weißburgunder from the winery Dr. Wehrheim are vinified dry. For both wines, the winery documents yield-reducing measures in the vineyard and selective hand-harvesting. The Weißburgunder is fermented with temperature control and developed reductively in stainless steel; the Chardonnay ferments in French or Palatinate oak barriques and is then aged for ten months.
