WillamettevsZappa
Willamette (dual purpose) and Zappa (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Willamette
Alpha acid
4–7.2%
Beta acid
3–4.5%
Total oil
0.6–1.6 mL
United States
Zappa
Alpha acid
6–9%
Beta acid
8–9%
Total oil
1.8–2.5 mL
United States
Key differences
When to pick Willamette
- Versatile - works for both bittering and aroma
When to pick Zappa
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Citrus
Only in Willamette
IncenseElderberryCaramelCurryFloral
Only in Zappa
MintSavoryFruityMangoPassion fruitTropicalPineSpicyFresh
Property
| Property | Willamette | Zappa |
|---|---|---|
| Alpha acid | 4–7.2% | 6–9% |
| Beta acid | 3–4.5% | 8–9% |
| Co-humulone | 28–35% | 40–45% |
| Total oil | 0.6–1.6 mL | 1.8–2.5 mL |
| Myrcene | 30–40% | 64–65% |
| Humulene | 20–27% | 4–5% |
| Caryophyllene | 7–8% | 8–9% |
| Farnesene | 5–6% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |
Fuggle
Styrian Golding