CalypsovsSummer

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

Calypso

Dual purpose

Alpha acid

12–16%

Beta acid

5–6%

Total oil

1.5–2.5 mL

United States

Summer

Aroma

Alpha acid

5.6–6.4%

Beta acid

4.8–6.1%

Total oil

1.4–2 mL

Australia

Key differences

When to pick Calypso

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Versatile - works for both bittering and aroma

When to pick Summer

  • Aroma-focused - ideal for dry hopping

Aroma profile and use

Shared aromas

Stone fruitCitrusPeach

Only in Calypso

FruityApplePearLime

Only in Summer

ApricotMelonGrassyPassion fruit

Property

PropertyCalypsoSummer
Alpha acid12–16%5.6–6.4%
Beta acid5–6%4.8–6.1%
Co-humulone38–42%20–25%
Total oil1.5–2.5 mL1.4–2 mL
Myrcene30–45%29–38%
Humulene20–35%28–50%
Caryophyllene9–15%8–11%
Farnesene0–1%0–1%
OriginUnited StatesAustralia
PurposeDual purposeAroma

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