and blackcurrant fruit, so much so that successes with other grape varieties is overlooked. In the early days Shiraz was the most widely planted grape, and it produces some star wines such as Wynns Coonawarra Estate Michael Shiraz (formerly Michael Hermitage). The limestone geology also suits Chardonnay, Riesling, and Sauvignon blanc. Wineries Coonawarra has a membership organisation for wineries, the Coonawarra Vignerons Association. Some of the wineries with cellar doors include Wynns Coonawarra Estate. Other wineries who use fruit from the Coonawarra include Yalumba and Penfolds. See also South Australian wine Citations and references Citations References External links Coonawarra Vignerons Association webpage Wine regions of South Australia Limestone Coast