GeminivsStirling

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

Gemini

Dual purpose

Alpha acid

6–10.4%

Beta acid

3–4.28%

Total oil

-

United States

Stirling

Dual purpose

Alpha acid

6–12%

Beta acid

4–6%

Total oil

1.3–1.9 mL

United States

Key differences

When to pick Gemini

  • Richer, more complex aroma profile

When to pick Stirling

  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Gemini

HoneydewStrawberryEucalyptusRosemaryFruityCandyMandarinHayBlack currant

Only in Stirling

HerbalCitusSpicyFloral

Property

PropertyGeminiStirling
Alpha acid6–10.4%6–12%
Beta acid3–4.28%4–6%
Co-humulone31–32%21–28%
Total oil-1.3–1.9 mL
Myrcene32–33%44–48%
Humulene11–12%19–23%
Caryophyllene4–5%5–7%
Farnesene0–1%11–17%
OriginUnited StatesUnited States
PurposeDual purposeDual purpose