Tsingdao FlowervsStirling
Tsingdao Flower and Stirling are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Tsingdao Flower
Alpha acid
6–8%
Beta acid
3–4.2%
Total oil
0.4–0.8 mL
China
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Tsingdao Flower
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Stirling
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Tsingdao Flower
EarthyLemonMelonCitrus
Only in Stirling
HerbalCitusSpicyFloral
Property
| Property | Tsingdao Flower | Stirling |
|---|---|---|
| Alpha acid | 6–8% | 6–12% |
| Beta acid | 3–4.2% | 4–6% |
| Co-humulone | 35% | 21–28% |
| Total oil | 0.4–0.8 mL | 1.3–1.9 mL |
| Myrcene | - | 44–48% |
| Humulene | - | 19–23% |
| Caryophyllene | - | 5–7% |
| Farnesene | - | 11–17% |
| Origin | China | United States |
| Purpose | Dual purpose | Dual purpose |