Emerald SpirevsCalypso

Emerald Spire and Calypso are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

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 Emerald Spire

No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.

When to pick Calypso

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness

Aroma profile and use

Shared aromas

PeachFruity

Only in Emerald Spire

WhiteGrapesWatermelonBubbleMelonHoneydew

Only in Calypso

ApplePearStone fruitLimeCitrus

Property

PropertyEmerald SpireCalypso
Alpha acid8.6–13%12–16%
Beta acid3.5–4.5%5–6%
Co-humulone38–39%38–42%
Total oil-1.5–2.5 mL
Myrcene36–37%30–45%
Humulene10–11%20–35%
Caryophyllene7–8%9–15%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeDual purposeDual purpose

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