The vineyards are located in the heart of Umbria, in the wildest and least known southern part. Encompassing nine hectares, the plots are located between Narni, San Gemini, Penna in Teverina and Alviano. For Leonardo, the secret of the quality of his wine lies in nature. Grapes are grown in two different vineyards: a former breccia quarry in Narni called Brecciaro and a vineyard in San Gemini called Colle Ozio. These sites are at 190 metres asl and 290 metres asl. respectively. The vines between 10 and 15 years old, trained by guyot, with a yiels between 600 and 800 per plant. Grapes are harvested by hand and placed in 20-kg crates. The soils are extremely varied: Ciliegiolo and Grechetto, cultivated at 290 meters above sea level, lie on clayey limestone stretches; Trebbiano, grown at an altitude of 200 meters, requires medium-structured soils. Leonardo work is according to ecological principles: he practices spontaneous fermentation and uses only natural yeast. Bussoletti is certified organic by the Italian body Suolo e Salute.