ColumbiavsAhtanum

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

Columbia

Dual purpose

Alpha acid

5–9%

Beta acid

3–4%

Total oil

1–2 mL

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 Columbia

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Versatile - works for both bittering and aroma

When to pick Ahtanum

  • Higher beta acid - smoother, longer-lasting bitterness
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

LemonCitrus

Only in Columbia

PineappleNoblePungent

Only in Ahtanum

GrapefruitGeraniumPineEarthyFloralCedar

Property

PropertyColumbiaAhtanum
Alpha acid5–9%3.5–6.5%
Beta acid3–4%4–6.5%
Co-humulone40%30–35%
Total oil1–2 mL0.5–1.7 mL
Myrcene45–55%45–55%
Humulene15–19%15–22%
Caryophyllene9–12%9–12%
Farnesene3–5%0–1%
OriginUnited StatesUnited States
PurposeDual purposeAroma

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