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Stu’s Spring Mountain District harvest report for the week of September 7

September 6, 2017

During harvest, Stu gathers information from vineyards on Spring Mountain and provides a weekly harvest report for The St. Helena Star:

This week, September 7:

The good news is that most wineries with white grapes are picking and several are close to finishing. The chemistry of the whites is fabulous with great pHs and TAs. Unfortunately, the heat spell didn’t help much. Some of the weaker red vines with exposed fruit have some shriveling. These high temperatures are reminiscent of both the 1980 and 1984 vintages which similarly had high daytime and high nighttime temperatures. Fortunately, these were both excellent vintages.


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