 The University of California, Davis produced a special clone of the variety (known as the "Mendoza clone") that, despite it propensity to develop millerandage, is still widely used in Argentina and Australia.Argentine Chardonnay has shown to thrive in high altitude plantings and is being increasing planted in the Tupungato region on vineyard sites located at altitudes around nearly .By the turn of the 21st century there were over 1,500 wineries in Argentina.