Location and classification
Osterberg is a designated single vineyard site in the municipality and in the winegrowing region Großkarlbach in the Pfalz. The site belongs to the Mittelhaardt/Deutsche Weinstraße area and to the Großlage Schwarzerde. In the wine sites directory of the state of Rhineland-Palatinate, Osterberg is listed under number 821711.
Area and site
The planted vineyard area recorded in the 2024 wine sites directory is 173.1 hectares. A documented parcel is described as being gently sloping and oriented towards the south-east. The soil consists of loess with natural water-retention capability.
Grape varieties and wine styles
From Osterberg, wines made from Dornfelder, Chardonnay, Riesling, Sauvignon Blanc and Merlot are documented. A 2015 Dornfelder was produced dry, fruity and with spice and smoke notes in a comparatively light style. The Chardonnay Réserve from the Großkarlbacher Osterberg was produced as a dry Qualitätswein bestimmter Anbaugebiete.
Cultivation and maturation
For a documented parcel, sustainable cultivation is specified without herbicides and irrigation, with minimal fertilisation and a focus on biodiversity. The 2015 Osterberg Dornfelder matured for 24 months in large wooden barrels that were about 120 years old. For another premium Dornfelder from the site, the omission of pure-breed yeasts, fining and chaptalisation, as well as a minimal filtration are described.
