Alsace Flashcards
Alsace Location + Climate + general production
Alsace is located in north-eastern France. Despite its northerly location it has a warm, sunny and unusually dry climate due to the protection of the Vosges mountains to the west. The region produces mainly white wine (90 per cent),1 overwhelmingly from single grape varieties and unoaked.
Germanic influences
The wines of the region reflect the frequent changes in recent centuries in which control of Alsace has passed between Germany and France. The German influence can be seen in the importance of single variety wines made from aromatic varieties (Riesling, Gewurztraminer, Muscat), alongside less aromatic varieties such as Pinot Gris.
Alsace in the twentieth Century
- In the twentieth century, up to the second world war, the region acted as a source of inexpensive wine made from grapes grown on the flatter land.
- Alsace finally returned to France in 1945 and at that point adopted the AOC system.
- The hillside slopes that had a reputation for high quality in the past, but had been neglected when the demand was for inexpensive wines, have been partially replanted since the 1960s.
- In the last decade, the area planted for still wines has reduced slightly while the amount planted for Crémant d’Alsace has grown.
Alsace Climate + rain
- The northerly latitude results in a long, growing season and Alsace’s location inland gives a continental climate with cold winters and warm, sunny summers.
- Westerly winds carry rain clouds but much of the rain falls on the western side of the Vosges Mountains. As a result, Alsace on the eastern side has only around 600 mm of rain per year, less than half the rainfall in comparison to the other side of the mountains.
Alsace (Rainfall)
- Moderate rainfall means that summer drought can be an issue and currently irrigation is not permitted for AOC wines.
- However,the rain is spread throughout the year with wettest months in summer (August) and the driest normally during harvest (September and October).
- Therefore, there can be issues at key times such as flowering and fruit set and, more rarely, harvest.
Alsace (Sun/Wind/Temp)
- Alsace has high sunshine hours, important to ripen grapes at this northerly latitude.
- Another drying influence is the Föhn wind, a warm wind that both raises the temperature and reduces the incidence of fungal diseases.
- There is a marked diurnal temperature difference especially on higher sites, helping to retain acidity in the grapes.
Alsace Topography
- The foothills of the Vosges mountains provide many, diverse vineyard sites at a range of altitude, suited to growing different grape varieties.
Alsace Topography for best sites
- The best vineyards are often at 200– 250 m of altitude, up to 450 m. They tend to be the ones that face south, south–east or south–west, for maximum sunlight interception.
- vineyards on the hillsides have lower fertility, better draining soils promoting slower growth and ultimately better fruit quality.
Alsace Topography for lesser sites
- Lesser quality vineyards are typically on the plain between the foothills and the Rhine river. Similarly, soils are very varied leading growers to speak about a ‘mosaic of terroirs’.
- Broadly speaking, the vineyards on the plain are on deeper, more fertile soils, promoting more vegetative growth (and therefore more suited to higher yielding grape growing for high volume wine)y
Alsace grape Varieties
- Riesling,
- Pinot Blanc/Auxerrois(either variety can be labelled as Pinot Blanc)
- Gewurztraminer
- Pinot Gris
- Muscat
- Sylvaner
- Pinot Noir
Alsace Noble Grape Varieties
- Riesling,
- Pinot Gris
- Gewurztraminer,
- Muscat
- permitted varieties for grand cru wines and regulated wine styles such as Vendange tardive and Sélection de grains nobles
Alsace Percentage of Plantings
- Riesling 21%
- Pinot blanc- 21%
- Gewurtztraminer - 20%
- Pinot Gris - 16%
- Pinot Noir - 11%
- Sylvaner - 5%
Riesling grape characteristics
- Riesling is a cold-hardy variety (making it suitable to grow in regions with cold winters) that buds late, providing some protection against spring frosts.
- It needs a good site (full exposure to the sun and good drainage) and a long growing season to ripen fully but if these are provided it can produce very good quality grapes at relatively high yields (for example, 70 hL/ha)
- It has good disease resistance (resistant to downy mildew, fairly resistant to powdery mildew and botrytis bunch rot).
Riesling Wine Styles
- The wines are typically medium to pronounced in aroma
and flavour intensity, unoaked and high in acidity. - The wines range in quality from good to outstanding and in price from mid- priced to premium, with a few super-premium examples.
- The style in Alsace is typically dry (either with no residual sugar or a low amount that is not easily evident in tasting due to high acidity), medium to full body, medium alcohol, high acidity, with citrus (lemon, grapefruit) and stone fruit (peach) flavour with a prononounced stony/steely character.
Gewurtztraminer grape characteristics
- Early budding variety ( prone to spring frosts)
- Early ripening (thus avoiding autumn rains).
- While it rapidly accumulates sugars, in Alsace it is picked late to achieve fully ripe skins to maximise the aromas and avoid unripe tannins.
- It is a vigorous variety (and therefore needs careful pruning and canopy management) but only moderately productive, due to coulure.
- It can suffer from chlorosis and from desiccation of the stems.
- In Alsace it is vulnerable to powdery mildew, grape vine moth and grey rot. Virus-free clones have been produced by research stations in Alsace to reduce this problem.
Gewurtztraminer wine styles
- Typically medium lemon in colour (the ripe grapes themselves are a light pink), with pronounced aromas of lychee, peach/apricot, rose and spice (the German word Gewürz means ‘spice’).
- They have medium to high alcohol, a medium to full body and low acidity.
- In Alsace the wines are made in a range of styles from dry through to sweet.The wines range in quality from good to outstanding and in price from mid-priced to premium.
Pinot Blanc and Auxerrois
- The still wines typically have low intensity aromas of apple and peach, and medium acidity and alcohol. They are mainly acceptable to good quality, with a few very good examples, and are inexpensive to mid-priced.
- Auxerrois, which can be labelled Pinot Blanc, is an early ripening, low aromatic variety producing wines with low acidity. The wines are most frequently used in blends or in Crémant d’Alsace.