Syrah being considered the superior version, giving wines higher in phenolics. As a general rule, most Australian and South African wines are labeled "Shiraz", and most European wines (from such regions where varietal labeling is practiced) are labeled "Syrah". In other countries, practices vary and winemakers (or wine marketers) sometimes choose either "Syrah" or "Shiraz" to signify a stylistic difference in the wine they have made. "Syrah"-labelled wines are sometimes thought to be more similar to classic Northern Rhône reds; presumably more elegant, tannic, smoke-flavoured and restrained with respect to their fruit component. "Shiraz"-labelled wines, on the other hand, would then
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