Corison

History

Cathy Corison founded her eponymous label in 1987 after more than a decade making wine for others in Napa Valley, including a long tenure at Chappellet. The decision to go independent was a deliberate one: she wanted to make Napa Cabernet the way she believed it should be made, with lower alcohol, genuine structure, and the kind of restraint that allows a wine to age. That put her somewhat outside the mainstream of 1980s and 1990s California Cabernet, which was moving steadily toward ripeness and power as critical currency. She held her ground anyway.

Corison operates as a small, owner-run estate. There is no corporate parent, no second label built for volume, and no significant change in direction since founding. That consistency over nearly four decades is itself part of the story.

Vineyards

The anchor holding is Kronos Vineyard, a block of old-vine Cabernet Sauvignon in Rutherford planted in the early 1970s. The vines grow on the benchland soils characteristic of this part of the valley floor: well-drained, gravelly loam with good depth, the kind of ground that moderates vigor without stressing the vine into shutdown. Rutherford's mid-valley position gives warm days and cool nights drawn in from San Pablo Bay, a diurnal range that is central to Corison's style.

Beyond Kronos, Corison sources from additional sites including Sunbasket Vineyard, which also appears as a single-vineyard bottling and as the source for a Cabernet Franc labeled under the Helios name. The Napa Valley appellation bottling draws from a broader pool of contracted fruit within the valley. Farming practices across the estate lean toward sustainable viticulture; specific organic or biodynamic certifications are not prominently claimed.

Winemaking

Corison's defining choice in the cellar is the same one she makes in the vineyard: restraint. She picks earlier than most of her Rutherford neighbors, targeting alcohol levels that read closer to Bordeaux than to the riper end of California Cabernet. The result is wines that typically come in well under 14 percent alcohol, with firm acidity and tannin structure that genuinely require time in bottle.

Fermentation is conventional in broad outline, with extended maceration used selectively rather than aggressively. The wines see French oak for aging, with a moderate proportion of new barrels rather than the high-new-oak regimes that dominated the valley in the 1990s and 2000s. Kronos is the prestige bottling and receives the longest aging before release. Across the range, the intent is the same: wines built to be opened at ten years and still interesting at twenty, not wines calibrated for immediate tasting room appeal.