GeminivsAhtanum

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

Gemini

Dual purpose

Alpha acid

6–10.4%

Beta acid

3–4.28%

Total oil

-

United States

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Key differences

When to pick Gemini

  • Higher alpha acid - stronger bittering
  • Versatile - works for both bittering and aroma

When to pick Ahtanum

  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Gemini

HoneydewStrawberryEucalyptusRosemaryFruityCandyMandarinHayBlack currant

Only in Ahtanum

CitrusGrapefruitGeraniumPineEarthyFloralCedarLemon

Property

PropertyGeminiAhtanum
Alpha acid6–10.4%3.5–6.5%
Beta acid3–4.28%4–6.5%
Co-humulone31–32%30–35%
Total oil-0.5–1.7 mL
Myrcene32–33%45–55%
Humulene11–12%15–22%
Caryophyllene4–5%9–12%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeDual purposeAroma

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