StirlingvsChallenger
Stirling and Challenger are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Challenger
Alpha acid
6.5–9%
Beta acid
3–4.5%
Total oil
1–1.7 mL
United Kingdom
Key differences
When to pick Stirling
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
When to pick Challenger
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Stirling
HerbalCitusSpicyFloral
Only in Challenger
CedarGreenFruity
Property
| Property | Stirling | Challenger |
|---|---|---|
| Alpha acid | 6–12% | 6.5–9% |
| Beta acid | 4–6% | 3–4.5% |
| Co-humulone | 21–28% | 20–25% |
| Total oil | 1.3–1.9 mL | 1–1.7 mL |
| Myrcene | 44–48% | 30–42% |
| Humulene | 19–23% | 24–26% |
| Caryophyllene | 5–7% | 9–10% |
| Farnesene | 11–17% | 0–1% |
| Origin | United States | United Kingdom |
| Purpose | Dual purpose | Dual purpose |