Grenache or Garnacha is one of the most widely planted red wine grape varieties in the world. It ripens late, so it needs hot, dry conditions such as those found in Spain, where the grape most likely originated. It is also grown in Sardinia, the south of France, and California's San Joaquin Valley. Here the grape benefits from its tolerance to heat and drought. Wines made from Grenache tend to lack acid, tannin and color, and is usually blended with other varieties such as Syrah, Carignan, Tempranillo and Cinsaut, although the Sardinian D.O.C. wine Cannonau di Sardegna is by law 99% local Grenache (Cannonau).

It is generally spicy, berry-flavored and soft on the palate and produces wine with a relatively high alcohol content, but it needs careful control of yields for best results. Characteristic flavor profiles on Grenache include red fruit flavors, raspberry and strawberry, with a subtle, white pepper spice note. Grenache wines are highly prone to oxidation with even young examples having the potential to show browning coloration that can be noticed around the rim when evaluating the wine at an angle in the glass. As Grenache ages the wines tend to take on more leather and tar flavors.