Hop Variety – Cluster

Pedigree: Unknown – suggested hybridization of continental varieties and indigenous male hops
Brewing Usage: Dual Purpose
Aroma: Strong floral and spicy characteristics
Alpha Acids: 5.5 – 8.5%
Beta Acids: 4.5 – 5.5%
Co-Humulone: 36 – 42% of alpha acids
Storage Stability: ~84% alpha remaining after 6 months
Total Oil: 0.4 – 0.8 mL/100g
Myrcene: 45 – 55% of total oil
Humulene: 15 – 18% of total oil
Caryophyllene: 6 – 7% of total oil
Farnesene: <1% of total oil General Trade Perception: An excellent dual purpose variety with balanced bittering and aroma potential
Possible Substitutions: Galena
Typical Beer Styles: Ale (aroma), Lager (bittering), Stout; often used
in the reproduction of historical styles
Additional Information: At one time Cluster accounted for about 80 percent of hop production in the United States

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