Berry Sampling

August 29, 2012

Once crop level is adjusted, it’s a good idea to start monitoring the grapes to see how far away they are from being ripe. This allows us to project (approximately) how long we have until they are ready to be picked, which in turn allows us to begin planning for the upcoming harvest.

Today we went out into the Montana Vista block of Cabernet Sauvignon and took a couple of quick berry samples. From experience we know that the grapes at the top of the hill are probably going to ripen first, so we restricted our sample to this area. As always, we were careful to randomize our sample, pulling berries from different positions on the clusters, and from clusters in different positions within the canopy.

Fruit from the North-facing side of the row gets the more intense afternoon sun, so we’ve left more vegetation on this side to protect it from being sunburned. This fruit is likely to be lower in sugar and higher in acid than fruit from a sunnier location within the canopy. The same is true of berries that are on the backs of clusters and rarely see direct sunlight.

In contrast, the fruit from the South-facing side is more exposed to the sun, and so the fruit tends to be a little bit more ripe.

For now this fruit is generally sweeter and has better flavor, although these differences will diminish greatly as the block approaches ripeness.

We were pretty sure that it would be some time before we picked this block, so we didn’t take a huge sample, just a few hundred berries to get an idea how things are progressing.

We took two different samples from this block, one from the basaltic section and one from the rhyolitic section. The fruit tastes a little less ripe in the basaltic section, where the vines are more vigorous and the crop load heavier. You can really see a big difference from berry to berry, some taste great and others still taste quite sour. We can tell that we are still at least a month away from picking this section, during which time the flavor of the grapes will mature into what we need to make a first rate wine.

This is the time of year that we get a little obsessive over what is happening in the field. It’s just the kind of focus that you need to get the kind of grapes that produce excellent wines!

Amapola Creek is Richard Arrowoods’ latest winemaking project, to visit the Amapola Creek Winery main site, please click here.



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