ChallengervsSpalt

Challenger (dual purpose) and Spalt (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Challenger

Dual purpose

Alpha acid

6.5–9%

Beta acid

3–4.5%

Total oil

1–1.7 mL

United Kingdom

Spalt

Aroma

Alpha acid

2.5–5.7%

Beta acid

3–5%

Total oil

0.5–0.9 mL

Germany

Key differences

When to pick Challenger

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

When to pick Spalt

  • Aroma-focused - ideal for dry hopping

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Challenger

CedarGreenFruity

Only in Spalt

NobleEarthyHerbalFloral

Property

PropertyChallengerSpalt
Alpha acid6.5–9%2.5–5.7%
Beta acid3–4.5%3–5%
Co-humulone20–25%22–29%
Total oil1–1.7 mL0.5–0.9 mL
Myrcene30–42%20–35%
Humulene24–26%20–30%
Caryophyllene9–10%8–13%
Farnesene0–1%12–18%
OriginUnited KingdomGermany
PurposeDual purposeAroma

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