Calx Primitivo is made by Filippo Cassano. Filippo's certified organic vineyards are located in Gioia del Colle, a quick 30-minute drive inland west of Bari and home to the highest elevation vineyards in Puglia. Soils are deep red clay with an underlying base of pure limestone, which, when combined with the elevation, gives wines that have plenty of fruit, while still retaining their freshness and minerality. Fruit from Filippo's 20-year-old vines is hand-harvested, fermented with native yeasts in stainless steel, and also aged entirely in steel with only a small amount of SO2 added for bottling.