GaiavsWillamette

Gaia (bittering) and Willamette (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Gaia

Bittering

Alpha acid

12–15%

Beta acid

5–10%

Total oil

1.5–2.5 mL

Czech Republic

Willamette

Dual purpose

Alpha acid

4–7.2%

Beta acid

3–4.5%

Total oil

0.6–1.6 mL

United States

Key differences

When to pick Gaia

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

When to pick Willamette

  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Gaia

HoppySpicy

Only in Willamette

CitrusIncenseElderberryCaramelCurryFloral

Property

PropertyGaiaWillamette
Alpha acid12–15%4–7.2%
Beta acid5–10%3–4.5%
Co-humulone20–29%28–35%
Total oil1.5–2.5 mL0.6–1.6 mL
Myrcene23–37%30–40%
Humulene2–4%20–27%
Caryophyllene9–12%7–8%
Farnesene5–7%5–6%
OriginCzech RepublicUnited States
PurposeBitteringDual purpose

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