DeltavsChallenger

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

Delta

Aroma

Alpha acid

5.5–7%

Beta acid

5.5–7%

Total oil

0.5–1.1 mL

United States

Challenger

Dual purpose

Alpha acid

6.5–9%

Beta acid

3–4.5%

Total oil

1–1.7 mL

United Kingdom

Key differences

When to pick Delta

  • Higher beta acid - smoother, longer-lasting bitterness
  • Aroma-focused - ideal for dry hopping

When to pick Challenger

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Versatile - works for both bittering and aroma

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Delta

CitrusMelonSpicy

Only in Challenger

CedarGreenFruity

Property

PropertyDeltaChallenger
Alpha acid5.5–7%6.5–9%
Beta acid5.5–7%3–4.5%
Co-humulone22–24%20–25%
Total oil0.5–1.1 mL1–1.7 mL
Myrcene25–40%30–42%
Humulene25–35%24–26%
Caryophyllene9–15%9–10%
Farnesene0–1%0–1%
OriginUnited StatesUnited Kingdom
PurposeAromaDual purpose

Related comparisons