I Was Wondering If Someone Knew How Many Growing Days ( Sunny ) Does A Vinifera Grapevine Need To Produce Grapes, Such As Barbera Sangiovese Or Tempranillo Your Help Is Greatly Appreciated. Frank
More an issue of heat units and rainfall. Look at this article http://www.winepressnw.com/features/story/7245445p-7157388c.html about a grower in Oregon growing Tempranillo. You can probably find out your own heat units from Agriculture Canada.
Do you mean after you plant a new vine or after a vine has been established and its the start of the growing season? Scuba
