Blog / How We Make Wine

Do Clean Wine Brands Use Dry Farming?

July 8, 2026 · Coombsville, Napa Valley · Aum Cellars

Not as a rule. “Clean wine” is a marketing phrase, not a formal USDA wine-production certification. Dry farming is an irrigation choice: vines find moisture in the soil instead of drinking on a drip schedule. Organic practice is a different sentence — about what you put on the ground, not how you water it. They can overlap. They are not the same thing. At Aum Cellars, Pete Hoffmann dry-farms where conditions allow and farms with organic practices; the vineyard is the longer walk.

What does dry farmed actually mean?

Dry-farmed vines are grown without routine irrigation. Rain and the water already in the soil profile do the work. Aum’s vineyard copy is specific: dry farming encourages deeper root systems as vines search for moisture rather than depending on a drip line. The published result is naturally limited yields and fruit whose character is tied to that vineyard and that vintage. It is agronomy, not a club-box caption. A négociant can buy irrigated fruit, ferment it quietly, and still print “clean” on the sleeve.

Is dry farming the same as organic — or a certification?

No, and no. Organic practice at Aum means avoiding synthetic pesticides, herbicides, and fertilizers as a system, and building soil with cover crops and compost. Dry farming can happen on organically farmed ground or on conventional ground. It is not a seal. “Clean wine” is not a USDA category either. What regenerative farming is is a third idea — soil-building, not how you water. If a brand will not tell you who tends the vines, and whether water is a habit or a last resort, the words on the capsule are doing the farming.

Why dry farm, and what are the tradeoffs?

Growers use it when climate and soils can carry a crop without drip — in Napa, a Mediterranean rainfall pattern, not a promise. The wager, on this estate, is depth: a smaller crop, fruit that tracks the year. The costs are real. A dry season can ask more of the vine. Yields are smaller on purpose. Young plantings and some sites still need water; Aum’s own language is “dry farming where conditions allow,” not a vow that every block, every August, goes without. Irrigation made modern hillside planting safer and harvest dates easier to schedule. Dry farming is a choice against that convenience. It is not a moral certificate.

How does Aum use dry farming?

Pete is winemaker and viticulturist. The estate pages describe organically farmed vines, dry farming that sends roots into the soil profile, cover crops, compost, and sheep in the dormant rows. That is how Aum uses dry farming: as one tool in a living-soil system on Monticello Road, not as a clean-wine SKU. For what that fruit can taste like, does dry-farm organic wine taste good.

Learn how Aum farms the vineyard. Clean is a word. Dry farming is a root-zone decision. The hillside is the argument.