Comet is a hop variety with relatively high alpha acids content and provides a “wild American” aroma. It was released as high alpha hop from the USDA hop breeding program in 1975 primarily for production in Washington and Idaho. The variety is susceptible to downy mildew but resistant to verticillium wilt.

Flavour profile

Strong grapegruit


Open pollination

Recommended beer styles

Analytical data

Cultivation Area



Open pollination

Alpha Acids (%)

9.4 – 12.4%

Beta Acids (%)


Alpha/Beta Ratio

Cuhomulone (% of alpha acids)

Total Oils (ml/100g)

1.4 – 3.3ml/100g

Oil Concentration (microlitres of oil/g alpha)

Myrcene (% of whole oil)

40-65% of total oil

Linalool (% of whole oil)

Caryophyllene (% of whole oil)

5-7% of total oil

Farnesene (% of whole oil)

<1% of total oil

Humulene (% of whole oil)

1 – 2 % of total oil

Selinene (% of whole oil)

Humulene/Caryophllene Ratio