AhtanumvsGreen Bullet

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

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Green Bullet

Dual purpose

Alpha acid

11–15%

Beta acid

6.5–7%

Total oil

1–1.4 mL

New Zealand

Key differences

When to pick Ahtanum

  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

When to pick Green Bullet

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • Versatile - works for both bittering and aroma

Aroma profile and use

Shared aromas

PineFloral

Only in Ahtanum

CitrusGrapefruitGeraniumEarthyCedarLemon

Only in Green Bullet

Black currantPlumResinDried

Property

PropertyAhtanumGreen Bullet
Alpha acid3.5–6.5%11–15%
Beta acid4–6.5%6.5–7%
Co-humulone30–35%38–43%
Total oil0.5–1.7 mL1–1.4 mL
Myrcene45–55%37–39%
Humulene15–22%28–29%
Caryophyllene9–12%9–10%
Farnesene0–1%0–1%
OriginUnited StatesNew Zealand
PurposeAromaDual purpose

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