― The Bitch Wine!!! ∙ Bitch, a provocatively named 100% Grenache from R Wines, achieves the potential of this difficult-to-grow grape. Winemakers Chris Ringland and Lisa Wetherell use fruit from the Barossa Valley in South Australia. Yields from the 25-year-old vines grown in sand over clay are modest, 3 to 5 tons an acre. Fleshy and round, with tons of jammy strawberry and raspberry fruit, this is neither shy nor light in the alcohol department, but it's so darn hard to bitch about the [...].