CTZvsEmerald Spire
CTZ and Emerald Spire are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
CTZ
Alpha acid
14.5–17%
Beta acid
4.5–5.5%
Total oil
2.5–4.5 mL
United States
Emerald Spire
Alpha acid
8.6–13%
Beta acid
3.5–4.5%
Total oil
-
United States
Key differences
When to pick CTZ
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
When to pick Emerald Spire
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in CTZ
Black currantLicoriceCurryCitrusCannabisDank
Only in Emerald Spire
PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew
Property
| Property | CTZ | Emerald Spire |
|---|---|---|
| Alpha acid | 14.5–17% | 8.6–13% |
| Beta acid | 4.5–5.5% | 3.5–4.5% |
| Co-humulone | 28–35% | 38–39% |
| Total oil | 2.5–4.5 mL | - |
| Myrcene | 45–55% | 36–37% |
| Humulene | 9–14% | 10–11% |
| Caryophyllene | 6–10% | 7–8% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Dual purpose |