Astra
Alpha acid
7–10%
Beta acid
4–6%
Total oil
1–3 mL
Australia
Calypso
Alpha acid
12–16%
Beta acid
5–6%
Total oil
1.5–2.5 mL
United States
Key differences
When to pick Astra
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Calypso
- Higher alpha acid - stronger bittering
Aroma profile and use
Shared aromas
Peach
Only in Astra
TropicalSweetWhiteMelonGrassyGrapefruitHoney
Only in Calypso
FruityApplePearStone fruitLimeCitrus
Property
| Property | Astra | Calypso |
|---|---|---|
| Alpha acid | 7–10% | 12–16% |
| Beta acid | 4–6% | 5–6% |
| Co-humulone | 26–28% | 38–42% |
| Total oil | 1–3 mL | 1.5–2.5 mL |
| Myrcene | - | 30–45% |
| Humulene | 6–8% | 20–35% |
| Caryophyllene | 2–3% | 9–15% |
| Farnesene | - | 0–1% |
| Origin | Australia | United States |
| Purpose | Dual purpose | Dual purpose |