Cluster L-8 Hop Plant

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  • Regular price $6.00


Available July 2018

Cluster (US) is thought to be one of the oldest and most robust hop crops in the US. With its balanced aroma and bittering profile and outstanding storage stability, it has long been a go to hop of large commercial breweries in the US.

So prolific was Cluster’s use in fact that at the beginning of the 20th century, Cluster accounted for a whopping 96% of the total acreage of hops grown in the United States. Cluster remained at the top right through until the 1970’s.

Characteristics  Clean, neutral, slightly floral
Purpose Bittering & Aroma
Alpha Acid Composition 5.5%-9%
Beta Acid Composition 4%-6%
Co-Humulone Composition 36%-42%
Country US
Cone Size Medium
Cone Density Compact
Seasonal Maturity Mid
Yield Amount 1600-2140 kg/hectare (1420-1900 lbs/acre)
Growth Rate Very high
Resistant to Resistant to prunus necrotic ring-spot virus
Susceptible to Susceptible to downy mildew and powdery mildew
Storability Retains 80%-85% alpha acid after 6 months storage at 20ºC (68ºF)
East of Harvest Difficult
Total Oil Composition 0.4-0.8 mL/100g
Myrcene Oil Composition 38%-55%
Humulene Oil Composition 15%-20%
Caryophyllene Oil 6%-10%
Farnesene Oil 0%-1%
Substitutes Eroica, Galena
Style Guide Barley Wine, Porter, English Pale Ale, Amber Ale, Honey Ale, Cream Ale, American Lager