Syrah also make a full-bodied sparkling dry Shiraz, which contains the complexity and sometimes earthy notes that are normally found in still wine. Due to their concentrated flavours and high tannin content, many premium Syrah wines are at their best after some considerable bottle aging. In exceptional cases, this may be 15 years or longer. Syrah has one of the highest recommended wine serving temperatures at 18 °C (65 °F). Wines made from Syrah are often powerfully flavoured and full-bodied. The variety produces wines with a wide range of flavor notes, depending on the climate and soils where it is grown,
Viognier that make this wine unique. Aging these wines will often yield a very crisp drinking wine which is almost completely flat in the nose. The color and the aroma of the wine suggest a sweet wine but Viognier wines are predominantly dry, although sweet late-harvest dessert wines have been made. It is a grape with low acidity; it is sometimes used to soften wines made predominantly with the red Syrah grape. In addition to its softening qualities the grape also adds a colour-stabilizing agent and enhanced perfume to the red wine. In the Rhone region, the grapes normally are not