Admiral Hops

BitteringAlpha 11.0 - 16.0%United Kingdom

Bred at the world-renowned Horticulture Research International at Wye College in England and officially released for commercial use in the late 1990s, Admiral stands as a monumental achievement in British agriculture as the very first UK cultivar to break the 15.0% alpha-acid barrier. This powerhouse variety was engineered from a controlled cross between a Challenger male and a female plant from the robust Northdown family, designed specifically to provide growers with a high-yielding, early-maturing alternative to Target. While it was bred primarily to maximize bittering efficiency in traditional commercial brewhouses, Admiral has earned an elite reputation as a highly agile dual-purpose asset. It allows craft brewers to anchor their recipes with a clean, smooth bittering foundation early in the boil while leveraging its substantial essential oil volume late in the process to achieve exceptional depth without any of the harsh, rough characteristics historically tied to high-alpha varieties.

The sensory footprint of Admiral is a brilliantly classic, high-amplitude British performance that expertly bridges the gap between old-school estate traditions and vibrant, modern craft expectations. The aromatic canopy opens instantly with a punchy, remarkably bright top note of fresh orange peel, zesty citrus oils, and dried herbal tea leaves. This cheerful, fruit-forward presentation seamlessly transitions across the palate into a warm, deeply integrated undercurrent of sticky pine sap, resinous wood, and a soft, refreshing hint of freshly snipped backyard grass. Completely free of the intensely aggressive, tropical-candy saturation found in modern New World blends, Admiral delivers a sophisticated, multi-layered continental character. It functions beautifully as an elite late-kettle, whirlpool, or dry-hop weapon, throwing off a clean, mouthwatering pop of resinous citrus that adds incredible polish and a smooth, rounded finish to hop-forward recipes.

Substitution Tip

If you can't find Admiral, the best alternatives are Challenger, Magnum, Northdown, or Target.

At A Glance

ProfileFresh Orange Peel, Zesty Citrus Oils, Dried Herbal Tea, Sticky Pine Sap, Resinous Wood, Fresh Grass
PurposeBittering
Alpha Acid11.0 - 16.0%
SubstitutesChallenger, Magnum, Northdown, Target
Pairs withChallenger (to heavily amplify the deeply rustic/woodsy/and beautifully damp-earth baseline while providing a classic British foundational layer that matches Admiral's direct maternal heritage), East Kent Golding (to seamlessly lock into the authentic/soft/and spicy floral notes native to Slovenian terroirs while elegantly elevating the noble-style herbal complexity of Admiral), Target (to bridge the gap back to intense European resin profiles/introducing a punchy/piney/and crisp mint-like depth that cuts through heavy malts)
Beer StylesEnglish Pale Ale, Extra Special Bitter, British India Pale Ale, English Porter, Oatmeal Stout, Barleywine

General Information

Country
United Kingdom
Alias
UK Admiral
Storage Stability
Retains 85% alpha acid

Brewing Chemistry (Acids & Oils)

Alpha Acid
11.0 - 16.0%
Beta Acid
4.0 - 6.0%
Cohumulone
37.0 - 45.0%
Total Oil
1.0 - 1.7 ml/100g
Myrcene
39.0 - 48.0%
Humulene
23.0 - 26.0%
Caryophyllene
6.8% - 8.0%
Farnesene
0.0 - 2.0%
Linalool
0.0 - 0.17%
B-Pinene
0.0 - 0.8%
Selinene
16.0 - 32.0%

Growth & Cultivation

Yield
1,600 - 2,100 lbs/acre
Maturity
Early to Mid Season
Resistant
Downy Mildew (High)
Tolerant
Verticillium Wilt (Moderate)
Growth Rate
High (Noted for high native vigor and rapid spring establishment)
Cones
Medium to large, moderately tight and dense cone formations.
Ease of Harvest
Good (Strong frame development and distinct cone grouping support clean mechanical picking)
Sex
Female
Leaf Color
Medium Green
Side Arm Length
18" - 30" (Medium)

Admiral Aroma/Flavor Profile

Aroma
CitrusTropical FruitStone FruitApple/PearMelonBerryFloralSpicy/Herbal

Discovery Tags

Usage

Last Updated
  • 2026-06-30 14:17:33