Syrah African wines. In the United States, wine produced from the grape is normally called by its French name, "Syrah". However, in cases where winemakers choose to follow a New World style, similar to Penfolds Grange, they may choose to label their wines as "Shiraz". Under American wine laws, either name may appear on the label. Syrah first appeared as a wine grape in California in the 1970s, where it was planted by a group of viticulturists who called themselves "Rhône rangers". Although most plantings of the grape are in California, there are increasing amounts of it being grown in Washington
Syrah departments of Southern of France, but is now widespread. It is believed to be caused by mismatch between the rootstock and scion rather than an infection by a fungus or a virus. In Spain there was an increase in the area cultivated in Syrah grapes from in 1990 to in 2009. The Syrah grape was introduced into Switzerland in 1926 and in 2009 was the 6th most common red wine grape in Switzerland (181 hectares). Mostly grown in Valais, along the upper Rhône valley above Lake Geneva, it produces "unexpectedly concentrated wine from mature vines". The Syrah grape was introduced