Minimum vineyard elevation: 300 m (985 ft) Grapes for Vendemmia Tardiva must be dried on or off the vine until at least October 1 before pressing Minimum alcohol level: 11.0% for Vendemmia Tardiva (13.0% potential); 11.5% for Bianco; 12.0% for Bianco Riserva and Rosso; 12.5% for Rosso Riserva Aging: For Bianco Riserva, minimum 1 year (ERD = November 1, V+1); for Vendemmia Tardiva, minimum 18 months, including 6 months in barrel (ERD = May 1, V+2); for Rosso Riserva, minimum 2 years (ERD = November 1, V+2)