Harvest Begins in the Dark: How and When the Grapes Come In

It’s mid-August in Napa, and the Managing Partner of the estate is standing outside in a sweatshirt. The temperature is in the high fifties. Overnight the mist rolled in off the coast, pushed through the Bay Area and down the length of the valley, and settled thickly enough that the mountains have disappeared. The day before, the sun did not break through until one in the afternoon.

“This is the ideal dream scenario whenever you are harvesting,” says Yannick Girardo.

That is not the harvest most of us imagine. The picture we carry involves golden light and full baskets, which belongs to the harvest festival rather than to the harvest. The work itself runs against a clock, largely in the dark, on a date nobody chooses very far ahead.

Why the picking happens at night

At Seven Apart, the fruit comes in between sunset and sunup. When Girardo says early morning, he means four o’clock in the morning, before there is any light in the sky.

The first reason is heat. Warm fruit is unstable fruit. Sugars concentrate as the day builds, acids fall away, and the balance the vineyard spent a season assembling begins to shift while the grapes are still on the vine. Picking in the cool holds that balance.

The second reason is time, and the clock starts the instant a cluster is cut. “From the moment you pick the fruit off the vine, that is it,” Girardo says. “Life is being exposed.” He offers a comparison anyone can run at home. Bite into an apple, leave it on the counter, come back in an hour. Whatever has happened to the open face of that apple is happening to every berry in every bin from the moment it comes off the plant, the first steps of decomposition.

The fruit then has to travel from the vineyard to the winery, and once it arrives, it has to wait its turn. Depending on the tonnage that morning, hours can pass before the last bin is processed, and every one of those hours is an hour of oxidation. This is why the whole operation is arranged around keeping fruit cold and moving it fast.

On a cool, crisp, cloudy morning, none of that is a struggle. Bins can sit on the crush pad in the gray without warming. In a hot year with a heavy load arriving at once, the estate moves everything into the barrel room, where the temperature holds between fifty-five and sixty degrees, and then works through the fruit a few bins at a time, feeding it slowly across the sorting table, through the destemmer and the optical sorter, and into tank. Dry ice is another trick available when a day calls for it.

Reading the fruit

The picking is the most visible part of harvest, and it is also the shortest.

For a stretch of days beforehand, the estate is measuring the fruit every morning. Someone walks the rows, pulls clusters, crushes them by hand, and brings the juice back to be read for sugar, pH, and acidity. Weather stations posted throughout the valley supply the other half of the picture, and a good deal of the industry subscribes to the same networks, with everyone watching the same weather arrive from the same screens.

In settled weather, the Seven Apart team looks for sugar to climb somewhere between one and one and a half degrees Brix in a week. This is the arithmetic a harvest date is built on, and also the arithmetic a hot stretch rearranges. Push the thermometer from seventy-five to ninety, and the fruit starts running ahead of the plan, which means the plan gets rewritten, sometimes very quickly, to preserve the harvest.

The plan also involves many people. Picking crews work through a vineyard management company with other clients and a finite number of nights, so a date is requested, ideally two or three days out. Ripeness, weather, and labor all have to agree before anyone touches a vine.

One estate, two harvests

Seven Apart farms two vineyards that behave as though they belong to different regions, which in most practical senses, they do.

Base Camp sits on the valley floor, close enough to the bay to catch the maritime influence that moderates everything. Stags Ridge sits high on Atlas Peak. Cross a thousand feet of elevation, and the weather changes: on the morning Girardo was describing, the valley floor was overcast and cold enough for a sweatshirt while the mountain was already in blue sky and sun. What the mountain gains in daytime warmth it gives back after dark, where the nights run considerably cooler and the swing between afternoon and midnight is severe.

The gap between the two sites opens long before anyone picks. Frost is a real exposure at elevation, so the pruning dates at Stags Ridge sit weeks behind the valley floor, and that offset carries forward through the entire season. Everything downstream arrives late by the same margin. The practical consequence is that the estate does not have a singular harvest. It has two, often many weeks apart.

The contrast is visible right now. Base Camp is full of dark fruit and waiting on nothing but steady temperatures to finish its sugar. Stags Ridge is still working through the last of veraison, the color still turning on the mountain while the valley floor is ready to go.

What 2026 asked of our vineyards

This has been a season of reversals. March delivered roughly two consecutive weeks of 90-degree weather, which, in Napa, is close to unheard of. The whole valley recalculated, and the consensus was that everyone would be finished picking before the first of October. Then April turned cool, and that early advantage evaporated. At flowering, the vines shattered, dropping blossoms rather than setting them, and the fruit that followed came in well short of what the spring had promised.

Two facts matter here. The first is that it happened everywhere. “Everybody is seeing the same overall reaction in the vineyard,” Girardo says. “It is not just unique to us.” A shatter year is a weather issue rather than a human error, and the valley is openly comparing notes about it, as growers tend to do.

The second is that there will be less wine. The 2026 vintage will be smaller than anyone planned for in the spring, and that arithmetic reaches the allocation before the wine does. Nobody is claiming a light crop is a gift. It is simply the year the vines were given.

As this journal is being published, the picking is underway. Cabernet started trickling in on the valley floor around the Labor Day weekend, and the mountain harvest begins in October. The other feature of 2026 is something that has not happened yet: most seasons hand Napa four or five brutal days in the high nineties or above across September and October, and so far this year has not produced a single hundred-degree day. A late heat spike would still alter the vintage’s shape.

The part within reach

Against all that weather, the work sorts into what can be influenced and what cannot, so the estate spends its attention on the first category.

The vines at Stags Ridge are maturing, and their yields have been easing gently downward as older vines do. Vineyard management suggested retraining the canopy and canes on a couple of rows as an experiment, to see whether yield could be brought back up. It worked, and the method is now being extended to other sections of the vineyard to determine whether the response is consistent. A vineyard evolves this way, a few rows at a time, across seasons.

Base Camp presents the opposite situation. Those vines are still young, and the estate has been dropping a little more fruit there than elsewhere, not to manage this year’s tonnage but to keep training the plants and to protect the quality of what the vineyard will produce over its long life. In a year when the crop is already light, thinning for volume would make no sense. But thinning for the vineyard’s future still does.

“It is continuously trying to understand how the vineyard reacts, and what you can do that is within your control,” Girardo says. “But the fact of the weather is always a risk.”

What the glass remembers

Wine culture lives in cellars and at tables, in stemware and in conversation, and it is easy to lose sight of the fact that all of it rests on farming. Farming has always consisted of watching plants closely and then negotiating with conditions that answer to nobody. A vintage is the record of that negotiation.

The 2026 wines will carry the March heat in them, and the cold April, and the blossoms that fell, and every five o’clock morning spent moving cold fruit across a sorting table before the sun could reach it. None of that appears on a label. All of it ends up in the glass.

Which is a fair reason to pay attention to the year on the bottle and to open it with people who will understand what the year asked for.