South Africa wine

South African wine has a history dating back to 1659 with the first bottle being produced in Cape Town by its founder and gouverner Jan van Riebeeck. Access to international markets led to new investment in the South African wine market. Production is concentrated around Cape Town, with major vineyard and production centres at Constantia, Paarl, Stellenbosch and Worcester. There are about 60 appellations within the Wine of Origin (WO) system, which was implemented in 1973 with a hierarchy of designated production regions, districts and wards. WO wines must only contain grapes from the specific area of origin. "Single vineyard" wines must come from a defined area of less than 6 hectares. An "Estate Wine" can come from adjacent farms if they are farmed together and wine is produced on site. A ward is an area with a distinctive soil type or climate and is roughly equivalent to a European appellation.

History

The roots of the South African wine industry can be traced to the explorations of the Dutch East India Company, which established a supply station in what is now Cape Town. A Dutch surgeon, Jan van Riebeeck, was assigned the task of managing the station and planting vineyards to produce wines and grapes. This was intended to ward off scurvy amongst sailors during their voyages along the spice route to India and the East. The first harvest was made on 2 February 1659 (as noted in Van Riebeeck's log) seven years after the landing in 1652. The man succeeding Van Riebeeck as governor of the Cape of Good Hope, Simon van der Stel, sought to improve the quality of viticulture in the region. In 1685, he purchased a large estate just outside Cape Town, establishing the Constantia wine estate. After Van der Stel's death, the estate fell into disrepair, but was revived in 1778 when it was purchased by Hendrik Cloete.J. Robinson (ed) ''"The Oxford Companion to Wine"'' Third Edition pg 162–163 Oxford University Press 2006

Many growers gave up on winemaking, and instead chose to plant orchards and alfalfa fields to feed the growing ostrich feather industry. The growers that did replant with grapevines chose high- yielding grape varieties such as Cinsaut. By the early 1900s, more than 80 million vines had been replanted, creating a wine lake. Some producers would pour unsaleable wine into local rivers and streams. The imbalance between supply and demand that caused depressed prices prompted the South African government to fund the formation of the Koöperatieve Wijnbouwers Vereniging van Zuid-Afrika Bpkt (KWV) in 1918. Started as a co-operative, the KWV soon grew in power and prominence eventually setting policies and prices for the entire South African wine industry. To deal with the wine glut, the KWV restricted yields and set minimum prices that encouraged the production of brandy and fortified wines.

For much of the 20th century, the South African wine industry received minimal international attention. Its isolation was exacerbated by the boycotts of South African products in protest against the country's system of Apartheid. It was not until the 1990s when Apartheid was ended, and the world's export market opened up, that South African wines began to experience a renaissance. Many producers in South Africa quickly adopted new viticultural and winemaking technologies. The presence of flying winemakers from abroad brought international influences and focus on well-known varieties such as Shiraz, Cabernet Sauvignon and Chardonnay. The reorganisation of the powerful KWV co-operative into a private business sparked further innovation and improvement in quality. Vineyard owners and wineries who had previously relied on the price-fixing structure that bought their excess grapes for distillation were forced to become more competitive by shifting their focus to the production of quality wine. In 1990, less than 30% of all the grapes harvested were used for wine production meant for the consumer market with the remaining 70% being distilled into brandy, sold as table grapes and juice, or discarded. By 2003, the numbers had been reversed with more than 70% of the grapes harvested that year reaching the consumer market as wine.

Climate and geography

South Africa is located at the tip of the African continent with most wine regions located near the coastal influences of the Atlantic and Indian Oceans. These regions have a mostly Mediterranean climate that is marked by intense sunlight and dry heat. Winters tend to be cold and wet with potential snowfall at higher elevations. The threat of springtime frost is rare with most wine regions seeing a warm growing season between November and April. The majority of annual precipitation occurs in the winter months and ranges from in the semi-desert-like region of Klein Karoo to near the Worcester Mountains. Regions closer to the coast, or in the rain shadow of inland mountain chains like the Drakenstein, Hottentots Holland and Langeberg, will have more rain than areas further inland. In many South African wine regions irrigation is essential to viticulture. The Benguela current from Antarctica brings cool air off the south Atlantic coast that allows the mean temperatures of the area to be lower than regions of comparable latitude.H. Johnson & J. Robinson ''The World Atlas of Wine'' pg 320–322 Mitchell Beazley Publishing 2005 A strong wind current, known as the Cape Doctor, brings gale-force winds to the wine regions in the Cape which have the positive benefit of limiting the risk of various mildew and fungal grape disease as well as tempering humidity, but can also damage grapevines that are not protected.

During the harvest months of February and March, the average daily temperatures in many South African wine regions is with spikes up to not uncommon in the warm inland river valleys around the Breede, Olifants and Orange Rivers. On the Winkler scale, the majority of South African wine regions would be classified as Region III locations with heat summation and degree days similar to the California wine region of Oakville in Napa Valley. Warmer regions such as Klein Karoo and Douglas fall into Region IV (similar to Tuscany) and Region V (similar to Perth in Western Australia) respectively. New plantings are the focus in cooler climate sites in the Elgin and Walker Bay regions which are characterised as Region II with temperatures closer to the Burgundy and Piedmont.

The wine regions of South Africa are spread out over the Western and Northern Cape regions, covering west to east and north-south. Within this wide expanse is a vast range of macroclimate and vineyard soil types influenced by the unique geography of the area which includes several inland mountain chains and valleys. Within the Stellenbosch region alone, there are more than 50 unique soil types. In general, the soils of South Africa tend to retain moisture and drain well, having a significant proportion of clay (often at least 25% of the composition) with low pH levels around 4. The pH levels of the soils are often adjusted with lime and calcium treatment. Other soil types found in South Africa include granite and sandstone in Constantia, shale in Elgin and arenaceous shale in Walker Bay. Near the river valleys, the soils are particularly lime rich with a high proportion of sand and shale.T. Stevenson ''"The Sotheby's Wine Encyclopedia"'' pg 442–448 Dorling Kindersley 2005

Wine of Origin

Drafted in 1973, the "Wine of Origin" (WO) programme legislates how wine regions of South Africa are defined and can appear on wine labels. While some aspects of the WO are taken from the French ''Appellation d'Origine Contrôlée'' (AOC) system, the WO is concerned primarily with accuracy in labelling and does not place any additional regulations on wine regions such as permitted varieties, trellising methods, irrigation and crop yields. Wine regions under the WO system fall under one of four categories – the largest and most generic are geographical units (such as the Western Cape region) which include the smaller, but still largely defined regions (such as Overberg), followed by districts (like Walker Bay) and then finally wards (such as Elgin). The Eastern Cape province is South Africa's most recent wine region. While geographical units, regions and districts are largely defined by political boundaries – wards are the level of origin designation that is most defined by unique '' terroir'' characteristics.

Wine regions

As of 2003, South Africa was 17th in terms of area planted with vines, with the country owning 1.5% of the world's grape vineyards with . Yearly production among South Africa's wine regions is usually around 10 million hL (264 million US gallons) which regularly puts the country among the top ten wine producing countries in the world. The majority of wine production in South Africa takes place in the Cape, particularly the south-west corner near the coastal region. The historical heart of South African wine has been the area near the Cape Peninsula and modern-day Cape Town. This area is still of prominence in the industry being home to the major wine regions of Constantia, Stellenbosch and Paarl. Today, wine is grown throughout the Western Cape and in parts of the Northern Cape, KwaZulu-Natal and Eastern Cape regions. The river regions along the Breede Valley, Olifants and Orange Rivers are among the warmest areas and are often the location of bulk wine production and distillation. The cooler climate regions east of Cape Town along the Indian Ocean coast, such as Walker Bay and Elgin, have seen vast expansion and development in recent years as producers experiment with cool climate varietals and wine styles.

Below are some notable Wine of Origins districts.

Constantia

The Constantia Valley is located south of Cape Town on the Cape Peninsula that juts out into the Atlantic Ocean. Because of its location, the region receives oceanic influences on each side that create a cooling effect contributing to a long, slow ripening period in the summer where average daily temperatures fall between . Winters are often moderate and mild but wet with annual precipitation usually over . The soil of the region is composed primarily of Table Mountain sandstone with high concentrations of loam and granite. The area grows a wide range of grapes with Sauvignon blanc being particularly noted. The area is now home to 11 wine farms (Andrews, 2017). It is the oldest winegrowing region in the country, with the farm Groot Constantia being the oldest wine estate. Another well-known name in the region is Klein Constantia, which was established in 1685 by the VOC Governor of the Cape Simon van der Stel. Their fame reached its peak when Napoleon Bonaparte ordered as much as 1,126 liters (297 gallons) of Constantia wine "Vin de Constance" shipped in wooden casks each year to Longwood House, his home in exile on St Helena from 1815 until his death in 1821.

Stellenbosch

The Stellenbosch district is the second oldest wine region in South Africa, after Constantia, and is responsible for around 14% of the country's annual wine production. First planted in 1679, Stellenbosch is located east of Cape Town. The region is surrounded by the Helderberg, Simonsberg and Stellenbosch Mountains and receives some climatic influences from nearby False Bay. The bay tempers the climate and keeps average temperatures during the summer growing season to around , just slightly warmer than Bordeaux. Vineyard soil types range from decomposed granite on the hillside near the mountains to sandy, alluvial loam in the valleys near the rivers.

The seven wards of Stellenbosch- Banghoek, Bottelary, Devon Valley, Jonkershoek Valley, Papegaaiberg, Polkadraai Hills and Simonsberg-Stellenbosch – are well known for their red wine production that demonstrate ''terroir'' distinction – particularly Cabernet Sauvignon, Merlot, Pinotage and Shiraz. Simonsberg was the first wine ward to gain individual distinction. White wine production centres on Chardonnay and Sauvignon blanc which are often blended together. The western reaches of Stellenbosch, such as Bottelary and near Elsenburg also include a sizeable portion of Chenin blanc plantings in areas rich in light, sandy soils.

Paarl

For most of the 20th century, Paarl was for all practical purposes the heart of the South African wine industry. It was the home of the KWV as well as the annual Nederburg Wine Auction where the reputation of a vintage or an estate could be established. Gradually, the focus shifted southwards to Stellenbosch where Stellenbosch University gained a more prominent role in the South African wine industry with its viticulture and winemaking programmes. The transfer of power from the KWV to a private business further shifted the focus away from Paarl. However, the ''terroir'' driven wines of its wards, the Franschhoek Valley and Wellington, have revitalised interest in the area in recent years.

The fortified wine produced in Paarl and nearby Tulbagh can be designated with the unique WO of Boberg relating to its proximity to the Berg River. This was repealed in 2019 and is no longer an approved label designation.

Franschhoek Valley

The Franschhoek Valley was founded by Huguenot settlers who brought with them from their native France their traditions and winemaking expertise. The ward includes some higher elevation vineyard sites which can produce full flavoured white wines with noticeable acidity levels.

Franschhoek will soon be South Africa's first wine region to form a classification system (Appellation Grand Prestige) for its wines, with Semillon, Chardonnay and Cabernet Sauvignon being identified as the area's most tried-and-trusted grapes over a number of decades.

Breede River Valley

The Breede River Valley, located east of the Drakenstein Mountains, is a warm climate region that can be very dry and arid in some places. The river itself provides easy access to irrigation which makes bulk wine production of high yield varieties commonplace. The Robertson district is located closest to the river along alluvial soils and the occasional calcium-rich outcrop of land. The average annual precipitation is generally below , making irrigation essential. Temperatures during the summer growing season are normally around . The Bonnievale ward is the most notable sub-region of Robertson, noted for its Chardonnay and Shiraz wines.

The Worcester district is responsible for more wine than any other wine region in the country with one fifth to one quarter of the entire South African yearly wine production coming from this area. Located just beyond Du Toit's Peak in the Breede River Valley, Worcester includes a broad fertile plain that relies on irrigation due to its dry, arid climate. The area's large and numerous co-operatives produce sizeable amounts of fortified wine as well as Muscadel and Hanepoot based dessert wines. In recent years, the Slanghoek ward and the Breedekloof district have been successful growing botrytised and dry Sauvignon blanc wines. The Worcester district is home to nearly half of all the Semillon, and a third of Ruby Cabernet, planted in South Africa with sizeable plantings of Colombard and Chenin blanc.

Overberg

The cool climate Overberg region has been the site of the most recent interest and development in the South African wine industry, particularly with increased plantings of Chardonnay and Pinot noir. The entire area received very little attention until the late 20th century and was not even classified in 1973 within the original Wine of Origins programme. The maritime climate of Walker Bay and the cool, higher elevation vineyards of Elgin located east of Cape Town, have had success producing these varietals as well as Sauvignon blanc.

Other notable regions

The ''Klein Karoo'' region (meaning Little Karoo) has a semi-desert climate and was known mostly for sheep and ostrich farming. The region stretches from Montagu in the west to the village of De Rust in the east. In Calitzdorp warm temperatures are moderated by sea breezes that start in the late afternoon, and cool night time temperatures. Wine production in the area is largely centred on fortified "port-style" wine and Muscadels.

The Atlantic influenced West Coast region includes the wine making areas of Durbanville, Olifants River, Piketberg and Swartland. While this region was known historically for its large, bulk wine production, in recent years, producers have focused on premium wine production such as plantings of Sauvignon blanc in the Groenekloof area near Darling and Pinotage in unirrigated farmland of the Swartland. In the Olifants River region, Chenin blanc and Colombard are popular. The area is also home to South Africa's biggest single co-operative winery – the Vredendal Co-operative.

The Northern Cape wine regions located along the Orange River include the hottest wine producing areas in South Africa. Wine production here was slow to take root, delayed to the 1960s when better irrigation and temperature control fermentation technology became available. Today, the area is responsible for nearly 12% of all the wine produced in South Africa – mostly by large co-operatives for bulk wine production. The Hartswater region, located north of Kimberley, is South Africa's northernmost wine region.

KwaZulu-Natal was designated as a Geographical Unit in 2005 and is one of South Africa's most recent wine regions. The first wine estate in this region was The Stables Wine Estate, and the region's first Wine of Origin wine was released by Tiny and Judy van Niekerk in July 2006. The Stables Wine Estate went bankrupt in 2012. Current cultivars doing well in the growing wine region of KwaZulu-Natal are: Sauvignon Blanc, Pinotage, Pinot Noir and Chardonnay. With mild summer temperatures, the region boasts South Africa's coolest vineyards.

The Eastern Cape followed soon after through the pioneering efforts of Ronnie and Janet Vehorn. In 2009, Harrison Hope Wine Estate was registered as the first wine estate in the Eastern Cape province of South Africa. The estate made history again with its 2009 Merlot becoming the first certified estate wine ever produced in the Eastern Cape region. Situated in the Amatola Mountains, this area enjoys high temperatures in summer with little to no humidity. Unfortunately, late frost, hail, summer rainfall, and duiker make for some of the harshest conditions for wine grapes. Grapes grown in this region include: Chardonnay, Merlot, Petit Verdot, Pinotage, Sauvingnon Blanc and Shiraz.

Other notable wards

The Ruiterbosch ward, located southwest of the Klein Karoo around Mossel Bay, has a generally cool climate influenced primarily by the Indian Ocean. The area is planted largely with Riesling, Sauvignon blanc and Pinot noir. The Cederberg located east of the southern reaches of the Olifants rivers includes some of the highest elevated vineyards in South Africa, planted at altitudes more than .

Viticulture

Historically vineyards in South Africa were planted with untrellised bush vines planted apart at a density of 7,000 vines per hectare (2,800 vines per acre). Following the phylloxera devastation, the focus of viticulture in South Africa was more on quantity rather than quality. Vineyards were planted with high yield varieties, widely spaced to facilitate the use of mechanical harvesting. In the late 20th century, more producers began to focus on quality wine production and adopted modern viticultural practices. Vines were planted to an average density of 3,300 per hectare (1,300 per acre) and pruned to keep yields down to 49–56 hl/ha (2.8–3.2 tons/acre). The most common form of trellising found in South Africa is the vertical hedge row system that uses a split cordon supported on a wire kept around off the ground. The grapevine leaves are trained upright on separate wires that allow plenty of sunshine to reach the grapes, but provide enough coverage to keep them from being sunburned. The vines are usually pruned to allow four to five spurs each with two to three buds (potential grape clusters) per cordon. Heat is also a concern come harvest time with some wineries harvesting only at night in the cooler temperatures under floodlights.

The lack of precipitation in many wine regions make irrigation a necessity. Sprinkler and drip irrigation systems are used to provide anywhere from of extra water a year. Modern winemakers are developing new techniques and an understanding of the role that water stress plays in the development of quality wine grape production. Producers who do not irrigate will sometimes use the phrase "dryland" or "dry farmed" on their wine labels as a marketing angle. Besides irrigation, an important concern for vineyard owners is the threat of vineyard pests such as mealy bugs and baboons. To combat these hazards, some vineyard owners will utilise Integrated Pest Management (IPM) programmes such as the importation of ladybugs, a natural predator of mealy bugs.

While ocean winds keep some fungus and mildew threats at bay, downy mildew and powdery mildew (known regionally as "white rust") can pose an occasional threat during the wet winter season. Near harvest time, botrytis can also appear, being a hazard or a welcome visitor depending on whether or not botrytised wine production is the goal. Another threat is diseased and virus-infected rootstock. After the phylloxera devastation, vineyards in South Africa were replanted with American rootstock (nowadays most commonly 99 Richter, 110 Richter and 101-14 Mgt). Some of these imported rootstocks were infected with various virus such as corky bark, fanleaf and leafroll, which soon spread to other vineyards. These virus-infected vines have a shortened lifespan and difficulties with photosynthesis, which can lead to poor ripening of phenolic compounds in the grape and low quality wine. Since the 1980s, efforts have been undertaken by the South African wine industry to quarantine and promote healthy virus-free vineyards. Additionally, work has been undertaken in clonal research to identify which grape varieties grow best in which climate and wine region.

Vine Improvement Programme

Following the end of Apartheid and the opening of export markets, the South African wine industry had a substantial learning curve to overcome in order to be competitive on the world's wine market. The Vine Improvement Programme (VIP) was established to bring modern viticultural understanding to the industry. The first phase launched in the late 20th century focused on virus-free and yield controlling rootstock as well as clonal research. The second phase, which is ongoing, focuses on matching up various combinations of grape varieties, clones and rootstock to specific ''terroir'' that can produce quality wine. Over the last 20+ years, the work of the VIP has brought the South African wine industry to the forefront of viticultural advances.

Winemaking and wines

The winemaking traditions of South Africa often represent a hybridisation of Old World wine making and the new. Since the end of Apartheid, many producers have been working on producing more "international" styles of wine that can succeed on the world market. Flying winemakers from France, Spain and California have brought new techniques and styles to South Africa. In the 1980s, the use of oak barrels for fermentation and ageing became popular. The use of chaptalisation is illegal in South Africa as the country's warm climate makes attaining sufficient sugar and alcohol levels for wine production non-problematic. Winemakers more often have problems with low acidity levels which require supplementation with additional acids like tartaric acid.

Today the focus of the South African wine industry is on increasing the quality of wine production – particularly with the more exportable and fashionable red grape varieties. Traditionally, South African red wines had a reputation for being coarse in texture with rustic flavours. The Afrikaans word ''dikvoet'' used to describe these wines meant literally "thick foot". In the vineyards, growers focused on yield control for better ripeness, while winemakers used modern techniques to create softer, fleshier wines. Temperature control fermentation as well as controlled malolactic fermentation were more widely used as well as less dependency on filtration as a means of stabilisation.

Cape port-style wine

The South African wine industry has a long history of fortified wine production producing wines known colloquially as "Cape port" (though the term "Port" is protected by the European Union and refers only to the wines from the Douro region of Portugal). These wines are made from a variety of grapes, such as Shiraz and Pinotage, as well as Portuguese varieties like Tinta Barroca, Touriga Nacional, Souzão and Fernão Pires

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