Hanna produces wines across Sonoma County's North Coast region, where cool maritime influence and varied microclimates shape the character of its vineyards. The winery's portfolio centers on Cabernet Sauvignon, Merlot, Sangiovese, and Zinfandel—grapes that thrive in the region's distinctive terroir. Reserve Alchimie, a Cabernet and Merlot blend, and Bismark Ranch Sangiovese stand among the winery's flagship offerings, both rated 91 points by prestige critics including Wine Enthusiast, Wine Advocate, Wine Spectator, and Decanter. The Zinfandel, a varietal synonymous with California's wine identity, rounds out the core range at 90.4 points. These ratings reflect wines of structure and depth, anchored in the North Coast's reputation for balanced, age-worthy reds.