 These have a considerably cooler climate than the major regions to the north, which provides a long, drawn-out growing season in the chalky soils of the area.In the early 20th century, Humberto Canale imported vine cuttings from Bordeaux and established the first commercial winery in the region.While were planted as of 2003, the region is growing as more producers plant cool climate varietals like Chardonnay and Pinot noir as well as Malbec, Semillon and Torrontés Riojano.