GeminivsRiwaka

Gemini (dual purpose) and Riwaka (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

Riwaka

Aroma

Alpha acid

4.5–6.5%

Beta acid

4–5%

Total oil

0.8–1.5 mL

New Zealand

Key differences

When to pick Gemini

  • Higher alpha acid - stronger bittering
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

When to pick Riwaka

  • 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 Riwaka

TropicalPassion fruitGrapefruitCitrus

Property

PropertyGeminiRiwaka
Alpha acid6–10.4%4.5–6.5%
Beta acid3–4.28%4–5%
Co-humulone31–32%29–38%
Total oil-0.8–1.5 mL
Myrcene32–33%67–70%
Humulene11–12%8–10%
Caryophyllene4–5%2–6%
Farnesene0–1%0–1%
OriginUnited StatesNew Zealand
PurposeDual purposeAroma

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