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Why it tastes like this

Why does South African Chenin Blanc taste like that?

Old dry-farmed bush-vine Chenin — textural, savoury and mineral, and among the most distinctive white wine made anywhere.

What this page is and is not

These are the contributors WineHQ can name for South African Chenin Blanc as a category. Every one is a tendency, a convention or a mechanism, and each carries a label saying which. None of it describes how a particular producer made a particular bottle — real practice varies enormously, and a causal account that read as a recipe would be false for a great many of the wines it covers.

The grape

What does the variety bring before anyone does anything to it?

Chenin Blanc

Tendency

Characteristically very low tannin and high acidity. Commonly associated with quince, yellow apple, honey, chamomile.

Not claiming: That every wine from this variety shows these characteristics. This is the range across the category, and site and winemaking move wines within and beyond it.

Place and climate

What did the growing season do to the fruit?

Warmer growing seasons are associated with faster sugar accumulation and lower retained acidity, so fruit reaches a given potential alcohol earlier in the season.

Varies: Above the vine’s photosynthetic optimum the relationship reverses: extreme heat stalls ripening, inhibits anthocyanin synthesis and can raise sugar only through berry dehydration.

Not claiming: That warm regions necessarily make high-alcohol wine. Potential alcohol at any moment is a choice point; the producer decides when to pick.

A Mediterranean pattern of wet winters and dry summers is associated with reliable ripening and with mild late-season water stress, which restricts berry size and raises the ratio of skin to juice.

Varies: Where the dry season is severe or lengthening, the same pattern produces damaging rather than beneficial stress, and irrigation becomes necessary rather than optional.

Not claiming: That water stress is beneficial as such. Mild stress helps; severe stress halts ripening.

Winemaking

What decisions were taken between the vineyard and the bottle?

Fermenting white wine in oak rather than steel, which integrates the oak more completely.

Not claiming: That every producer of this style uses this method, or that using it is required.

Autolysis of spent yeast releases mannoproteins and other compounds that contribute texture and weight, and savoury bready characters.

Varies: Effect scales with time and is increased by stirring the lees.

Not claiming: That a bready or brioche character proves long lees ageing. Other routes to similar descriptors exist.

Age

What changes after the wine is bottled?

Serious examples age ten to fifteen years, gaining honey and waxy depth.

Not claiming: That a wine of this style will develop these characters. Ageing potential varies by producer, vintage and storage, and most wine is better young.

Follow it up

Style

South African Chenin Blanc

The taste profile, food matches, serving guidance and what to try next.

Science

Why wine is like this

The mechanisms behind each contributor above, explained at the scope they have been established.

Myths

What people get wrong

Several of the explanations usually given for wines like this do not survive checking.

Sources

Sources consulted