Jeromin produces wines from Madrid, Spain's continental plateau region, where Grenache and Tempranillo thrive in demanding conditions. The winery's portfolio centers on these native varieties alongside Shiraz, crafting structured reds suited to the area's intense sun and diurnal temperature swings. Grego Crianza, a blend of Grenache, Tempranillo, and Shiraz, represents the house's approach to balancing power with finesse. Vega Madroño Tempranillo-Garnacha and the limited-edition Félix Martínez Viñedos Miticos round out the range, each reflecting Madrid's terroir and winemaking traditions. Wine Enthusiast and Wine Spectator have assessed the portfolio, affirming the technical quality of these releases.