Emerald SpirevsWillamette

Emerald Spire and Willamette are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

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 Emerald Spire

  • Higher alpha acid - stronger bittering
  • Richer, more complex aroma profile

When to pick Willamette

No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Emerald Spire

PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew

Only in Willamette

CitrusIncenseElderberryCaramelCurryFloral

Property

PropertyEmerald SpireWillamette
Alpha acid8.6–13%4–7.2%
Beta acid3.5–4.5%3–4.5%
Co-humulone38–39%28–35%
Total oil-0.6–1.6 mL
Myrcene36–37%30–40%
Humulene10–11%20–27%
Caryophyllene7–8%7–8%
Farnesene0–1%5–6%
OriginUnited StatesUnited States
PurposeDual purposeDual purpose

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