Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Tinta Barroca - Tinta Barroca is a Portuguese red wine grape that is grown primarily in the Douro region with some plantings in South Africa. In Portugal it is a common blending grape in Port wine while in South Africa it is normally made into a varietal. The vine was introduced to the Douro region in the late 19th century and has the advantages of being able to withstand cool conditions while planted on north-facing slopes.
A:
Plant