Gruaja, red wine grape variety grown, if rarely, in the Veneto region of Italy. It is mainly found around Breganze in the province of Vicenza.

In the vineyard: Its poor productivity has historically made it unpopular with producers.

Bibliography

See Dr Ian d’Agata, Native Wine Grapes of Italy (University of California Press, 2014).

Italian Wine Unplugged (Positive Press, 2017), p.255.