DeltavsGemini

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

Delta

Aroma

Alpha acid

5.5–7%

Beta acid

5.5–7%

Total oil

0.5–1.1 mL

United States

Gemini

Dual purpose

Alpha acid

6–10.4%

Beta acid

3–4.28%

Total oil

-

United States

Key differences

When to pick Delta

  • Higher beta acid - smoother, longer-lasting bitterness
  • Aroma-focused - ideal for dry hopping

When to pick Gemini

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

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Delta

CitrusMelonSpicy

Only in Gemini

HoneydewStrawberryEucalyptusRosemaryFruityCandyMandarinHayBlack currant

Property

PropertyDeltaGemini
Alpha acid5.5–7%6–10.4%
Beta acid5.5–7%3–4.28%
Co-humulone22–24%31–32%
Total oil0.5–1.1 mL-
Myrcene25–40%32–33%
Humulene25–35%11–12%
Caryophyllene9–15%4–5%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeAromaDual purpose

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