CrystalvsStirling

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

Crystal

Aroma

Alpha acid

2.8–6%

Beta acid

4.5–8.5%

Total oil

0.8–2.3 mL

United States

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 Crystal

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

When to pick Stirling

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

Aroma profile and use

Shared aromas

FloralSpicy

Only in Crystal

WoodyGreenFruityCinnamonNutmegBlack currant

Only in Stirling

HerbalCitus

Property

PropertyCrystalStirling
Alpha acid2.8–6%6–12%
Beta acid4.5–8.5%4–6%
Co-humulone20–26%21–28%
Total oil0.8–2.3 mL1.3–1.9 mL
Myrcene30–55%44–48%
Humulene20–30%19–23%
Caryophyllene5–12%5–7%
Farnesene0–1%11–17%
OriginUnited StatesUnited States
PurposeAromaDual purpose

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