AhtanumvsHORT9909

Ahtanum (aroma) and HORT9909 (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

HORT9909

Dual purpose

Alpha acid

6–10%

Beta acid

3–4%

Total oil

-

New Zealand

Key differences

When to pick Ahtanum

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

When to pick HORT9909

  • Higher alpha acid - stronger bittering
  • Versatile - works for both bittering and aroma

Aroma profile and use

Shared aromas

CitrusPineLemon

Only in Ahtanum

GrapefruitGeraniumEarthyFloralCedar

Only in HORT9909

LimeHaySweetSpicyNobleBlack currant

Property

PropertyAhtanumHORT9909
Alpha acid3.5–6.5%6–10%
Beta acid4–6.5%3–4%
Co-humulone30–35%27–29%
Total oil0.5–1.7 mL-
Myrcene45–55%49–51%
Humulene15–22%11–13%
Caryophyllene9–12%4–5%
Farnesene0–1%0–1%
OriginUnited StatesNew Zealand
PurposeAromaDual purpose

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