Comet
Alpha acid
8–12.4%
Beta acid
3–6.1%
Total oil
1–3.3 mL
United States
Delta
Alpha acid
5.5–7%
Beta acid
5.5–7%
Total oil
0.5–1.1 mL
United States
Key differences
When to pick Comet
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
When to pick Delta
- Higher beta acid - smoother, longer-lasting bitterness
- Aroma-focused - ideal for dry hopping
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Comet
GrassyGrapefruitWild
Only in Delta
CitrusMelonSpicy
Property
| Property | Comet | Delta |
|---|---|---|
| Alpha acid | 8–12.4% | 5.5–7% |
| Beta acid | 3–6.1% | 5.5–7% |
| Co-humulone | 34–45% | 22–24% |
| Total oil | 1–3.3 mL | 0.5–1.1 mL |
| Myrcene | 40–65% | 25–40% |
| Humulene | 1–2% | 25–35% |
| Caryophyllene | 5–15% | 9–15% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |
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