PahtovsWillamette

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

Pahto

Bittering

Alpha acid

17–20%

Beta acid

4.5–6%

Total oil

1–2.5 mL

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 Pahto

  • 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
  • Bittering workhorse - efficient in the mash

When to pick Willamette

  • Versatile - works for both bittering and aroma

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Pahto

NeutralHerbalEarthyCleanSmooth

Only in Willamette

CitrusIncenseElderberryCaramelCurryFloral

Property

PropertyPahtoWillamette
Alpha acid17–20%4–7.2%
Beta acid4.5–6%3–4.5%
Co-humulone26–32%28–35%
Total oil1–2.5 mL0.6–1.6 mL
Myrcene58–72%30–40%
Humulene8–11%20–27%
Caryophyllene3–6%7–8%
Farnesene0–1%5–6%
OriginUnited StatesUnited States
PurposeBitteringDual purpose

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