Sauvignon Blanc Day shines a spotlight on one of the world’s most recognisable varietals and a category that continues to evolve. In South Africa, it is also the most exported and top-selling white cultivar, with approximately 10,000 hectares under vine and exports of around 57 million litres annually (Sauvignon Blanc South Africa; SAWIS).
Its history stretches back to plantings at Groot Constantia in the late 1800s, with the first commercial bottlings emerging in 1977. Today, the varietal is both a mainstay and a moving target, as producers respond to shifting global tastes and a growing appetite for more nuanced, terroir-driven expressions.
Traditionally associated with freshness, acidity and aromatic intensity, Sauvignon Blanc is increasingly being reinterpreted. Globally and locally, there is rising interest in styles that offer greater texture, structure and food compatibility, including wooded or ‘Fumé’ expressions. This evolution signals not a departure from the varietal’s identity, but an expansion of it.
Within this context, Steenberg Vineyards in Constantia presents a compelling case study of how a single estate can explore that diversity without losing its core identity. Its Sauvignon Blanc Collection spans three distinct expressions: the Classic Sauvignon Blanc 2025, the Flagship Black Swan 2025, and the newly released Blanc 2024, a wooded interpretation that reflects this broader stylistic shift.
“Each wine has its own expression and treatment, but the overarching intrinsics of Steenberg Sauvignon Blanc are never lost,” says Carryn Wiltshire, Marketing Manager at Steenberg Vineyards. “There is always a strong sense of place and respect for the cool-climate terroir of Constantia, which carries through in every bottle.”
That sense of place begins in the vineyard. Sauvignon Blanc is the dominant varietal on the estate, and its performance across different blocks is closely managed.
Under the guidance of viticulturist Vlok Hanekom and winemaker Elunda Basson, also Chairperson of Sauvignon Blanc South Africa, each parcel is farmed, harvested and vinified with site-specific precision. Soil health interventions, cover crops and careful canopy management balance exposure and protection during ripening, directly influencing flavour, structure and consistency.
The Classic Sauvignon Blanc reflects this philosophy in its most integrated form. Fruit from across the estate is vinified separately before blending, resulting in a wine that captures a cohesive expression of the farm. By contrast, Black Swan, made from the best top vineyard blocks, undergoes minimal cellar intervention, allowing terroir to take the lead. A nine-month lees-stirring process builds texture and complexity, resulting in a wine that is both layered and site-driven.
This approach has recently been recognised at the International London Wine Competition (LWC), now in its ninth year. Distinct from traditional wine shows, the LWC evaluates entries across three weighted criteria of quality, value and packaging. This year, Steenberg’s Black Swan Sauvignon Blanc achieved 96 points and a Double Gold medal, while its Classic Sauvignon Blanc scored 92 points, earning a Gold medal; both underscoring their performance not just in theory, but in market-facing contexts.
If Black Swan represents purity of terroir, Blanc (part of the recently launched Canvas Collection) signals evolution. Crafted as a wooded Sauvignon Blanc, it is Basson’s creative expression, a true blank canvas to craft Steenberg’s interpretation of this style. The result is a refined Blanc Fumé, offering greater texture and depth while remaining highly food-friendly. It also reinforces the adaptability of the varietal, demonstrating how winemaking choices can shape structure and mouthfeel without obscuring origin.
“The introduction of Blanc is our opportunity to explore a different dimension of Sauvignon Blanc,” Wiltshire explains. “There is a growing interest in more textured, wooded styles, and this allows us to showcase that versatility while still maintaining the elegance associated with Constantia.”
That elegance is inseparable from geography. Constantia’s proximity to the ocean brings cooling maritime winds that slow ripening, preserving acidity while refining flavour development. Within a single estate, variations in altitude, aspect and soils, from decomposed granite to clay and sandstone, create a range of microclimates, each contributing distinct characteristics to the final wines. In higher-lying vineyard sites, including those used for Black Swan, additional shading and cooler conditions further extend ripening, enhancing concentration and finesse.
The common thread is not a single style, but a consistent sense of place. In a category often defined by familiarity, this approach reflects a broader shift: Sauvignon Blanc is no longer one-dimensional, but increasingly expressive and shaped as much by terroir and technique as by evolving consumer expectations.