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Strength in maturity? A look at old vines

Old-age vines divide the winemaking world, both in terms of the cost/benefit ratio and recent New World moves to formalise this otherwise informal aspect of viticulture.

MANY GROWERS say their best wine is produced from their oldest plots… [and] oenologists are convinced the best tank they get every year comes from the old plot – from Château Ausone, from Château Mouton Rothschild, and in many Languedoc vineyards, especially about Carignan,” says Alain Carbonneau, professor emeritus of viticulture at Montpellier SupAgro Carbonneau. Authoritative anecdotes abound that regale us with the glory of wines from old vines, but science has yet to illustrate that experiential appreciation is based on measurable parameters.


But what is old, even? There’s no agreed, regulated definition of “old vine” anywhere around the world. Intriguingly, it is the New World that has been taking this particular bull by the horns, looking for acceptable norms that might be used when describing wines made from vines that are “of an age”.

Commercial reality dictates that vines be regularly replaced. But some vines survive: humans have elected to keep certain plots of vines for some reason. Presumably not just for altruistic reasons, but also because profitable wine can still be made. François Dal of SICAVAC in the Loire valley summarises: “Older vines need more work for less yield. The only interest to preserve old vines is the quality of the wines produced.”

Peter Clingeleffer, group leader at Australia’s CSIRO Plant industry says, “While rare, in Australia there are vines that are 100 years old that are still in production. However, the economic life of a vine is generally considered to be around 40 years, provided there is still demand for the fruit. In contrast, 25 years would be considered to be the economic life of a vineyard in Europe.” It’s a similar picture in South Africa, where viticulturist Rosa Kruger says “the life expectancy of vineyards in South Africa is 20 to 25 years before they become not economically viable.” And in Chile, where Mario Pablo Silva, the managing director and CEO of Viña Casa Silva, adds, “After 25 years the plant starts to show the effects of age – a progressive decline in production.” If vines are kept beyond this economically viable 25 to 40 years, can we call them old? In the central Loire, the BIVC’s director Benoit says “most producers who use the term vieilles vignes do it with a minimum of 30 or 40 years old.” Fernando Almeida, winemaker for Miguel Torres in Chile agrees: “An old vine has to be at least 30-40 years old.”


Somewhere around the age of 30- 40 years a vine falls away from maximum productivity, but might be retained because of high quality, marketable fruit. By this age, says Eben Sadie, of Sadie Family Wines in South Africa, “an advanced root system is established.” Clearly a young vine needs to establish roots. Carbonneau says we “can assume wine quality is not optimal until the vine has aged enough. A vine requires a minimum of five, six, seven years to be fully established… permanent roots are established six to seven years after planting.”

A step change at some point after a decade is mooted. Carbonneau says, “There is no experimental proof that very old vines, 30, 50, 70 years old, produce better wines than a balanced, well-trained, 12-year old vine”. Dr Yerko Moreno, director of the grape and wine research centre at the University of Talca in Chile also pinpoints balance, saying, “If you are at the right site – soil and climate – you can also produce high quality wines coming from 10 or 12 year- old vines as long as you are able to achieve a correct balance between the crop load and vegetative growth.”

Sadie, who makes eight single vineyard, old vine (50-150 years) wines, says, “The development between canopy and roots is disproportionate in young vines. Roots grow slower than vigour. For roots to grow you need vigour on top to absorb energy from sun. This may be the case for the first 15 years on average, though every soil is different.”

Thus balance is argued to improve with age. Pablo Morandé, the winemaker and founder of Morandé Wines, suggests balanced vines really register over 20 years, depending “on conditions, terroirs, density and management.” The confounding variables are manifold and potentially wide-reaching. Brett Jackson, chief winemaker at Viña Valdivieso, says that 20 years marks the approximate point from which wines are “extremely consistent in quality and yield.” And, adds Prue Henschke, of Henschke Wines in Australia, between about 20-30 years old there is a “slow build-up of more mature varietal flavour and structural characters. Tannin and textural maturity in 30+ year-old vines is most obvious.”

Roots and reserves provide balancing points. Marcelo Retamal, chief winemaker at De Martino, says: “The younger the vine is, the more affected by vintages it will be, as roots will be more superficial. In warmer years vineyards will be much more affected and therefore have a strong influence in the quality and style of the wines. In my experience, in vineyards over 30 years in some areas in Chile, you can see that its roots are deep enough if there are no soil difficulties. The stability in quality and wine style is much more even from year to year.”

Water stress is a recurrent theme. Dal says, “Old vines have a better root system, deeper and developed over a significant area. They have more wood and therefore more reserves… [which give] old vines the best adaptability to climate changes and a more regular water nutrition than young vines.” Carbonneau adds that when water is limited, there can be “some difficulty for grapes to mature. Then the vines that are not adult enough respond too much to such stress.”

On this basis old vines may find a preferred place in a more sustainable world. Yerko says, “Old vines require less irrigation as their root systems are deeper and well expanded in the soil. Canopy management is also limited due to the fact that they are less vigorous. Disease management is similar to younger vines except for the presence of wood diseases that force the replacement of dead vines by means of layering or replanting.” And in the Barossa, Henschke says, “Many old vines have survived without irrigation and have extensive root systems that act as a buffer in less favourable seasons. In drier years the deeper roots are more active, keeping the canopy supplied with moisture and nutrients.”


Pests and diseases are contra-indicated for old age. Almost by definition old vines have survived disease pressure. Clingeleffer says, “Vine longevity may be impacted by soil-borne pests such as nematodes and phylloxera, termites, trunk diseases [e.g. Eutypa] as well as virus diseases.”

Quite often wine quality may also be affected by disease. Jackson says, “Young vines’ lack of reserves make them more susceptible to diseases and pests such as powdery mildew and spider mites, which can both have extremely detrimental effects on both fruit quality and long term longevity of the vine.” Yerko adds, “An old vineyard with a high proportion of vines contaminated with wood disease fungi will definitely produce a lower quality wine – less colour, dry and harsh tannins.”Leafroll virus is a major problem in South Africa, but, says Kruger, “Wine quality from older vines seems to be less influenced by leafroll; older vines seem to show more resistance to disease,. but not always.” In the Loire, Dal also reports a conflicting picture for the virus issue: “Older vines contain more viruses than younger ones,” he observes. “Viruses can sometimes affect the quality but they also often have a good repercussion on the quality and the complexity of the wines.”

New World moves to formalise old vines

There is a real or imagined cachet for old vines. In Europe the various monikers – vieilles vignes, viñas viejas, alte reben etc. – are used solely at the quality discretion or implied marketing intention of the producer. The New World is taking a different approach.
Australia’s Yalumba drew the first line in the sand in 2007 with its Old Vine Charter: “Dedicated to the recognition, preservation and promotion” of their old vines in the Barossa, the charter was subsequently tweaked and adopted by the Barossa Grape and Wine Association, for the whole of that region. No wine style or quality statements are associated with the age categories.

Louisa Rose, Yalumba’s head of winemaking, explains, “35 and 70 years is based around a human generational concept. Seventy is two generations of people who thought the vines were special enough to keep in the ground.”

Old 35 years + Beyond adolescence; fully rooted and mature
Survivors 70 years + Twice the age and survived the 1980s vine pull scheme
Centenarians 100 years + Thrice the age, give or take.
Ancestors 125 years + Nothing left to prove: “Tend to be dry-grown, low-yielding vines of great flavour and intensity”

This group formed in 2010 with the aim of preserving old vine vineyards in California. Old vines are defined as those greater than 50 years. This is the same age used by federal government to define things, such as homes, as being of historic nature.

Mike Officer of Carlisle Winery says, “We felt creating a registry of all vineyards in which one-third or more of the vines are at least 50 years old would be of great interest to consumers as well as to other growers and producers.” David Gates Jr, vice-president of vineyard operations at Ridge Vineyards adds, “A vineyard of 50 years or older has already lasted almost three times as long as the vast majority of California vineyards. Fifty years also represents at least two generations of people tending these vines, dedicated to preserving them and earning their livelihood, especially 30+ years ago, from them.”

Officer adds, “Old-vine vineyards are complex ecosystems that have taken decades and decades to develop. There’s something special and unique to an old-vine wine that cannot be easily replicated.” The society has no plans to formalise a definition of “old vine” for wine marketing.

A group of about a dozen growers of 30+ year-old, unirrigated, Carignan in Chile’s Maule Valley created an association in 2009, with the aim, says Ricardo Baettig, the director of Vigno, “to become the first DOC of Chile.” Wines must have a minimum of 65% Carignan and are sold under the name “Vigno”.

An audit of vines older than 35 years in South Africa is under way. Kruger says, “The 35-year age barrier was just an idea by some of us interested in old vines.” Sadie works with some of these old vines. He says, “South Africa has the third biggest acreage of old vines (35 years) after France and Spain.”


Time can be outlasted by healthy vines with well-established, deep root systems, aided by humans who see particular marketable attributes from the lower- cropping fruit. What is it about the fruit that keeps humans motivated?

“In blind tastings”, Carbonneau says, “it is quite often the oldest plot that gets the first place. Wine coming from the oldest plot is perhaps better not because it is richer and more intense, but perhaps it is more delicate, more persistent, more complex – it is difficult to define.” This occurs across grape varieties, he said, though it may be truer for late-ripening cultivars such as Cabernet Sauvignon in Bordeaux or Carignan in the Languedoc.

Carbonneau speculates that full maturity may be harder to obtain in such varieties, implying full maturity is more regularly obtained in old vines. Morande suggests these two grape varieties in Chile also offer more sophisticated, rich and complex wines from old vines.

In the Loire, Dal says old vines give wines with more “minerality, more concentration and complexity, less varietal flavour. People can prefer young vines when they want a lot of varietal flavours on a young wine. This style is sometime actively sought in New Zealand for example.” Indeed Chris Seifried of Seifried Estate in Nelson, New Zealand, says of his Sauvignon Blanc: “Young vines are the most expressive, intense and exciting. The first three or four years are vibrant and loud.”

He adds that crop level is also low in such young vines.

Vine age is argued to add layers to vibrant varietal flavours. Yerko says, “Initially tannins, depending on the site, tend to be more aggressive and fruit characters more straightforward. As the vines age fruit characters are more complex… if not overcropped, fruit can be more complex and concentrated.” Almeida notes “deeper flavours, stronger character, more elegant wines, longer aftertaste, more typicity.”

Added to complexity is consistency, which is, says Sadie, “one of factors in great wine production – great wine through warm, cold, wet, or dry vintages. Old vines give much more consistent quality throughout.”

Some also argue for greater terroir expression from old vines. Almeida says, “Both new and old vineyards show their origin in the quality of their grapes. But this characteristic is enhanced as vineyards get older. Less cultural intervention of the old vineyards allows origin to show more clearly.” Kruger agrees, saying, “Old vines show their terroir more, mainly because they have adapted to their specific terroir and are more adapted to the climatic stresses of their environment, i.e. they hardly ever have a crop they cannot ripen for the season, they hardly ever collapse completely in a heatwave and lose their leaves, and so on.”

However, advancing vine age is not, in itself, enough to guarantee high wine quality. Retamal says, “There are old vineyards that give great wines and other old vines that give very bad wines.” By example, he says, “Many years ago I found a very old [over 150 years] vineyard in Maule Valley. It was Cabernet Sauvignon. It was dry farmed, bush vine – amazing. It turned out to be a bad wine. What was the problem? It was planted in a very warm area for Cabernet Sauvignon, a variety that doesn’t like excessive heat.” The argument returns for cultivar matching to sympathetic sites.

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