Originating in German soil today Riesling is Germany’s leading grape variety, known for its characteristic “transparency” in flavour and presentation of terroir, and its balance between fruit and mineral flavours. In Germany, Riesling normally ripens between late September and late November, and late harvest Riesling can be picked as late as January.
Three common characteristics of German Riesling are that they are rarely blended with other varietals, hardly ever exposed to commercial yeast and usually never exposed to oak flavour (despite some vintners fermenting in "neutral" oak barrels). To this last item there is an exception with some vinters in the wine regions of Palatinate (Pfalz) and Baden experimenting with new oak aging. The warmer temperatures in those regions produce heavier wines with a higher alcohol content that can better contend with the new oak. While clearer in individual flavours when it is young, a German Riesling will harmonize more as it ages, particularly around ten years of age.
In Germany, sugar levels at time of harvest are an important consideration in the wine's production with prädikat levels measuring the sweetness of the wine. Equally important to winegrowers is the balance of acidity between the green tasting malic acidand the more citrus tasting tartaric acid. In cool years, some growers will wait until November to harvest in hopes of having a higher level of ripeness and subsequent tartaric acid
Before technology in wineries could stabilize temperatures, the low temperatures in winter of the northern German regions would halt fermentation and leave the resulting wines with natural sugars and a low alcohol content. According to local tradition, in the Mosel region the wine would then be bottled in tall, tapered, and green hock bottles. Similar bottles, although brown, are used for Riesling produced in the Rhine region.
Riesling is also the preferred grape in production of Deutscher Sekt, German sparkling wine.
Riesling wines from Germany cover a vast array of tastes from sweet to off-dry halbtrocken to dry trocken. Late harvest Rieslings can ripen to become very sweet dessert wines of the beerenauslese (BA) and trockenbeerenauslese (TBA) class.
[edit]Alsace (France)
Riesling grapes growing in Alsace.
Riesling is on record as being planted in the Alsace region by 1477 when its quality was praised by the Duke of Lorraine. Today over a fifth of Alsace's vineyards are covered with Riesling vines, mostly in the Haut-Rhin district, with the wine produced here being very different from neighboring German Riesling.This is partly from difference in the soil with the clay Alsatian soil being more dominately calcareous than the slate composition of Rheingau. The other differences come in wine making styles, with the Alsatian preferring more French-oriented methods that produce wines of higher alcohol content (normally around 12%) and more roundness due to longer time spent in the steel tanks. Alsace Riesling are never aged in oak barrels. In contrast to German wine laws, Alsatian rieslings can be chaptalized, a process in which the alcoholic content is increased through the addition of sugar to the must.
In contrast to other Alsatian wines, Rieslings in this area are usually not meant to be drunk young, but many are still best in the first years. Rieslings produced here tend to be mostly very dry with a cleansing acidity. They are thick bodied wines that coat the palate. These wines age exceptionally well with a quality vintage ageing up to 20 years. This is beneficial since the flavours in an Alsace wine will often open up after three years, developing softer and fruitier flavors. Riesling is very suitable for the late harvest Vendange Tardive and the botrytize Sélection de Grains Nobles, with good acidity keeping up the sweetness of the wine.
In addition to Muscat, Gewürztraminer and Pinot Gris, Riesling is one of the acceptable varieties whose planting is allowed in Alsace's grand cru sites.
[edit]Australia and New Zealand
Gold lettering on collectibleSydney Opera House wine
In 1838 William Macarthur planted Riesling vines near Penrith in New South Wales. Riesling was the most planted white grape in Australia until the early 1990s when Chardonnay greatly increased in popularity. Riesling still flourishes in the Clare Valley, in particular the areas of Watervale and around the Polish Hill River, and the cooler Eden Valley and High Eden regions. Riesling is also being grown with increasing popularity in the Western Australian regions Albany, Frankland River and Porongorup. The warmer Australian climate produces thicker skinned grapes, sometimes seven times the thickness of German grown grape.[24] The grapes ripening in free drain soil composed of red soil over limestone and shale, producing a lean wine that as it matures produces toasty, honeycomb and lime aromas and flavours. It is common for Australian Rieslings to be fermented at low temperatures in stainless steel tanks with no oxidation of the wine and followed by earlier bottling.
Australian Rieslings are noted for their oily texture and citrus fruit flavours in their youth and a smooth balance of freshness and acid as they age. The botrytized Rieslings have immense levels of flavour concentrations that have been favorably compared to lemon marmalade.
Riesling was first planted in New Zealand in the 1970s and has flourished in the relatively cool climate of the Marlborough area and for late harvests in the Nelson region. In comparison to Australian Riesling, New Zealand produces lighter and more delicate wines that range from sweet to dry.[citation needed] Home of cool climate wines, Central Otago, has recently emerged as another area producing terroir driven wines
Riesling is the second leading white grape varietal after the indigenous Grüner Veltliner.[Austrian Riesling is generally thick bodied, coating the palate and producing a strong clarity of flavour coupled with a mouthwatering aroma. A particular Austrian Riesling trademark is a long finish that includes hints of white pepper. It flourishes in the cool climate and free-draining granite and mica soil of the Wachau region where Austrian wine laws allow for irrigation. With levels normally around 13% it has a relatively high alcohol content for Riesling and is generally at its peak after 5 years.Austrian Riesling is not known for its sweetness and is mostly dry with very few grapes affected by botrytis.
United States
In the late nineteenth century German immigrants brought with them Riesling vines, named Johannisberg Riesling to qualify them as “legitimate” German Riesling. New York, particularly in the Finger Lakes region, was one of the earliest U.S. producers of Riesling. Plantings started to appear in California by 1857 and followed in Washington State in 1871.
New York Riesling generally has a characteristic effervescent light body with a similarly light, mellow flavour. The wine can be dynamic though rarely robust, and ranges from dry to sweet. New York is also a notable producer of Riesling based Ice Wine, although a large majority of New York Ice Wine is made from Vidal Blanc and Vignoles.
In California, Riesling lags far behind Chardonnay in popularity and is not as commonly planted. A notable exception is the growing development of high quality Late Harvest dessert wines. So far, the Late Harvest wines most successfully produced are in the Anderson and Alexander Valleyswhere the weather is more likely to encourage the needed botrytis to develop. The Riesling that does come out of California tends to be softer, fuller, and having more diverse flavours than a "typical" German Riesling.
In the Pacific Northwest there is a stark contrast in Riesling production. The grape is currently on the rise in Washington State but on the decline in neighboring Oregon. Riesling from this area ranges from dry to sweet, and has a crisp lightness that bodes well for easy drinking. Often there will be an easily detectable peach and mineral complex. Some Washington State winemakers, such as Chateau Ste. Michelle, are adapting German-style Riesling production methods, and even partnering with well-known German vintners like Dr. Ernest Loosen to create specialty wines such as the Eroica Riesling. With annual productions of over 600,000 cases a year, Chateau Ste. Michelle is the worldwide leader in the production of Riesling wines by volume. In 2007 Pacific Rim Winemakers, another Pacific Northwest winery and owned by Randall Grahm of Bonny Doon, has built the first wine facility in Red Mountain AVA dedicated completely to Riesling production.
KHAN * CS
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