The late ripening nature of the grape means that it rarely achieves full ripeness .
Planted in vineyard soils in very warm climates such as the Mediterranean climates where the grape originated in or the hot Central Valley of California .
The late ripening nature of the grape means that it rarely achieves full ripeness unless planted in vineyard soils in very warm climates such as the Mediterranean climates where the grape originated in or the hot Central Valley of California .