Arkansas · 2 candidates evaluated
Still Open America finding: the record is complicated. 2 candidates have been evaluated for "Oldest operational winery in Arkansas", but the evidence does not support identifying a single, clear title holder.
The Encyclopedia of Arkansas identifies Wiederkehr Wine Cellars as Arkansas's oldest operational winery and says the family business has remained continually in operation from 1880 to the present. The 1880 date refers to Johann Andreas Wiederkehr's founding-era cellar and winemaking work on St. Mary's Mountain, while the modern winery complex includes later additions. The statewide claim is strongly supported but remains unresolved in this register until other early Arkansas winery claimants, including nearby Altus-area competitors, are directly compared under the same claim key.
The Post family has a documented wine-making lineage in Altus dating to the 1880s, but the present Post Winery began in 1951 when Jacob Post bought the Altus Cooperative Winery. Its history also includes Katherine Post's BW11 permit and the cooperative's BW106 permit, so the available record does not establish one uninterrupted 1880-to-present business identity. The Encyclopedia of Arkansas identifies Wiederkehr Wine Cellars as Arkansas's oldest operational winery, continually in business from 1880 to the present; Post therefore does not hold the same statewide continuous-operation title.