Buehler produces Cabernet Sauvignon in St. Helena, the heart of Napa Valley's most prestigious wine country. The winery's portfolio centers on the grape that defines the region: structured, age-worthy Cabernet with the density and balance St. Helena terroir imparts. The Cabernet Sauvignon Estate and Cabernet Sauvignon Estate Papa's Knoll represent the winery's core offerings, joined by a broader Cabernet Sauvignon bottling. These wines have been assessed by Wine Enthusiast, Wine Advocate, Decanter, Wine Spectator, and Falstaff, placing them within the critical conversation around Napa Valley Cabernet.