SummervsCluster

Summer (aroma) and Cluster (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Summer

Aroma

Alpha acid

5.6–6.4%

Beta acid

4.8–6.1%

Total oil

1.4–2 mL

Australia

Cluster

Dual purpose

Alpha acid

5.5–9%

Beta acid

4.5–6%

Total oil

0.4–1 mL

United States

Key differences

When to pick Summer

  • More essential oils - more intense aroma
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

When to pick Cluster

  • Higher alpha acid - stronger bittering
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Summer

ApricotMelonGrassyCitrusStone fruitPassion fruitPeach

Only in Cluster

FloralEarthySweet

Property

PropertySummerCluster
Alpha acid5.6–6.4%5.5–9%
Beta acid4.8–6.1%4.5–6%
Co-humulone20–25%33–43%
Total oil1.4–2 mL0.4–1 mL
Myrcene29–38%38–46%
Humulene28–50%15–20%
Caryophyllene8–11%8–10%
Farnesene0–1%0–1%
OriginAustraliaUnited States
PurposeAromaDual purpose

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