SummervsCalypso

Summer (aroma) and Calypso (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

Calypso

Dual purpose

Alpha acid

12–16%

Beta acid

5–6%

Total oil

1.5–2.5 mL

United States

Key differences

When to pick Summer

  • Aroma-focused - ideal for dry hopping

When to pick Calypso

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

Aroma profile and use

Shared aromas

CitrusStone fruitPeach

Only in Summer

ApricotMelonGrassyPassion fruit

Only in Calypso

FruityApplePearLime

Property

PropertySummerCalypso
Alpha acid5.6–6.4%12–16%
Beta acid4.8–6.1%5–6%
Co-humulone20–25%38–42%
Total oil1.4–2 mL1.5–2.5 mL
Myrcene29–38%30–45%
Humulene28–50%20–35%
Caryophyllene8–11%9–15%
Farnesene0–1%0–1%
OriginAustraliaUnited States
PurposeAromaDual purpose

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