Ugni blanc, folle blanche and colombard are the most used varieties. Of these Ugni blanc is used for more than 90%. Two rather well known synonyms are Trebbiano and St. Emilion. So there are two good answers.
Ugni blanc, folle blanche and colombard are the most used varieties. Of these Ugni blanc is used for more than 90%. Two rather well known synonyms are Trebbiano and St. Emilion. So there are two good answers.