Michigan CoppervsStirling
Michigan Copper (aroma) and Stirling (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Michigan Copper
Alpha acid
8.8–11%
Beta acid
2–3.5%
Total oil
1.15–2.7 mL
United States
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Michigan Copper
- More essential oils - more intense aroma
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
When to pick Stirling
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
Floral
Only in Michigan Copper
HibiscusTropicalBlack currantCandyResinFruity
Only in Stirling
HerbalCitusSpicy
Property
| Property | Michigan Copper | Stirling |
|---|---|---|
| Alpha acid | 8.8–11% | 6–12% |
| Beta acid | 2–3.5% | 4–6% |
| Co-humulone | 32–36% | 21–28% |
| Total oil | 1.15–2.7 mL | 1.3–1.9 mL |
| Myrcene | 42–44% | 44–48% |
| Humulene | 17–18% | 19–23% |
| Caryophyllene | 7–8% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | United States | United States |
| Purpose | Aroma | Dual purpose |