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Petite Sirah

RedVinifera red

California

Almost black, hugely tannic and dense with blueberry and pepper. A cross of Syrah and Peloursin, and not a small Syrah.

At harvest

Each bar drawn against the full range of all 54 varieties

Sugar

24-27 Brix

24 - 27

Titratable acidity

5.5-7 g/L

5.5 - 7

pH

3.4-3.7

3.4 - 3.7

Juice yield

0.60 L/kg

free run plus a gentle press

Sugar per kilogram

170 g

at 25.5 Brix, the midpoint

Fruit for 23 litres

38 kg

before racking losses

Potential alcohol

14.0-15.3%

from 1.108 fermented dry. A range, because conversion varies by strain

What it punishes

Extraction. The skin-to-juice ratio is extreme, so a normal maceration produces a wine that is undrinkable for a decade.

Made into

Sulphite at this pH

At pH 3.55, protecting a red wine to 0.5 mg/L molecular SO2 takes 28 mg/L of free SO2. Work it out for your own reading.