Colli Tortonesi DOC

- Located in the Basso and Alto Monferrato districts of Piemonte - Range of styles: rosso and bianco blends, frizzante, spumante and single varietals - Red grapes are Barbera, Dolcetto and Cortese - White grape of note is Timorasso - Two official subzones: Monleale and Terre di Libarna - Monleale -Barbera based, minimum 20 months aging, 6 in oak - Terre di Libarna - Varietal (95%-100%) Timorasso, red Barbera based blend and white Timorasso based blend - Note: Timorasso may be labeled as "Derthona"