ChallengervsAhtanum

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

Challenger

Dual purpose

Alpha acid

6.5–9%

Beta acid

3–4.5%

Total oil

1–1.7 mL

United Kingdom

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 Challenger

  • 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
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Cedar

Only in Challenger

GreenFruity

Only in Ahtanum

CitrusGrapefruitGeraniumPineEarthyFloralLemon

Property

PropertyChallengerAhtanum
Alpha acid6.5–9%3.5–6.5%
Beta acid3–4.5%4–6.5%
Co-humulone20–25%30–35%
Total oil1–1.7 mL0.5–1.7 mL
Myrcene30–42%45–55%
Humulene24–26%15–22%
Caryophyllene9–10%9–12%
Farnesene0–1%0–1%
OriginUnited KingdomUnited States
PurposeDual purposeAroma

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