Old Vine Zinfandel is a type of red wine made from Zinfandel grapes that come from vines typically over 50 years old. These older vines often produce smaller yields, resulting in grapes with more concentrated flavors. The wine is known for its rich fruitiness, often featuring notes of blackberry, raspberry, and plum, along with hints of spice and pepper. The aging process for Old Vine Zinfandel can enhance its complexity, with many wines aged in oak barrels to add depth and smoothness. This style of wine is popular in regions like California, where the warm climate helps the grapes ripen fully, contributing to the wine's bold character.