StirlingvsEnigma

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

Stirling

Dual purpose

Alpha acid

6–12%

Beta acid

4–6%

Total oil

1.3–1.9 mL

United States

Enigma

Aroma

Alpha acid

13.5–19.4%

Beta acid

4.5–7.1%

Total oil

1.8–3 mL

Australia

Key differences

When to pick Stirling

  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

When to pick Enigma

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Stirling

HerbalCitusSpicyFloral

Only in Enigma

TropicalBerryStone fruitRaspberryRedcurrantWhite

Property

PropertyStirlingEnigma
Alpha acid6–12%13.5–19.4%
Beta acid4–6%4.5–7.1%
Co-humulone21–28%37–43%
Total oil1.3–1.9 mL1.8–3 mL
Myrcene44–48%23–30%
Humulene19–23%12–19%
Caryophyllene5–7%6–8%
Farnesene11–17%9–12%
OriginUnited StatesAustralia
PurposeDual purposeAroma

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