Grapes are partly from the Roero and partly from the vineyards around the house in Torriglione. The soil in Torriglione: The slope here is very steep and is mainly compact blue Marl (clay-limestone) with 40% limestone, 35% clay and 25% sand. The soil here is so compact that the historic houses here are built directly onto the Marl. Fermented in concrete and lasts about 12-14 days. Then malolactic takes place in concrete or stainless steel.