CalypsovsEmerald Spire

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

Calypso

Dual purpose

Alpha acid

12–16%

Beta acid

5–6%

Total oil

1.5–2.5 mL

United States

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

Key differences

When to pick Calypso

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

When to pick Emerald Spire

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

Aroma profile and use

Shared aromas

FruityPeach

Only in Calypso

ApplePearStone fruitLimeCitrus

Only in Emerald Spire

WhiteGrapesWatermelonBubbleMelonHoneydew

Property

PropertyCalypsoEmerald Spire
Alpha acid12–16%8.6–13%
Beta acid5–6%3.5–4.5%
Co-humulone38–42%38–39%
Total oil1.5–2.5 mL-
Myrcene30–45%36–37%
Humulene20–35%10–11%
Caryophyllene9–15%7–8%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeDual purposeDual purpose

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