HORT9909vsStirling

HORT9909 and Stirling are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

HORT9909

Dual purpose

Alpha acid

6–10%

Beta acid

3–4%

Total oil

-

New Zealand

Stirling

Dual purpose

Alpha acid

6–12%

Beta acid

4–6%

Total oil

1.3–1.9 mL

United States

Key differences

When to pick HORT9909

  • Richer, more complex aroma profile

When to pick Stirling

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness

Aroma profile and use

Shared aromas

Spicy

Only in HORT9909

LimeHaySweetCitrusLemonNobleBlack currantPine

Only in Stirling

HerbalCitusFloral

Property

PropertyHORT9909Stirling
Alpha acid6–10%6–12%
Beta acid3–4%4–6%
Co-humulone27–29%21–28%
Total oil-1.3–1.9 mL
Myrcene49–51%44–48%
Humulene11–13%19–23%
Caryophyllene4–5%5–7%
Farnesene0–1%11–17%
OriginNew ZealandUnited States
PurposeDual purposeDual purpose