Grechetto di Todi, or Grechetto G5 is a white wine grape variety native to Italy. It is unrelated to Grechetto di Orvieto (aka Grechetto G109) which is a separate variety found in Emilia-Romagna as Pignoletto or as Rébola in the (eastern) Romagna portion of Emilia-Romagna.
Wineries
No certification: Tudernum.
Bibliography
Dr Ian D’Agata, Native wine grapes of Italy (University of California Press, 2014).