Cognac landscape photo
Harvest was initially expected on 15th Sept. but it has been moved earlier to the 10th September according to Bureau National Inteprofessionnel du Cognac (BNIC). Average date for harvest is historically approx. 23rd Sept.
The BNIC expects that the 2017 will be the smallest harvest since 1945 due to various weather conditions and in particular the late frost in May.
In late August 2017, the average acidity was 11.1 g/L H2SO4 for a pH of 2.8 and with a potential alcohol % of 7.4%.
The area of the Cognac AOC not damaged by frost can expect 110 to 120 hecto liter per hectar of wine, whereas the frozen vineyard areas will only make 40 to 50 hl/ha, which will make a potential harvest on average for 2017 of 80-90 hl/ha.
Normally, the average is over 100 hl/ha, with an average for the past 10 years being of 107 hl/ha.
This is caused by the lower number of grapes per bunch with 37.5 grapes per bunch compared to the average of 53.5 grapes for the past 10 years.
Surprisingly, the grapes bunch weighted about 420g which is well above the 10 years average of 357g.
The BNIC recommends harvesting grapes with a rate of alcohol of 8.5 to 10.5% for an total acidity above 7.5 g/l H2SO4.
Source: Vitisphere
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