The exact lineage of the proprietary hop Columbus is unknown. Its namesake was created in part as the result of a legal dispute between Hopunion and Yakima Chief when both parties attempted to patent the same hop. Yakima Chief’s variety was named Tomahawk®. After an agreement was reached, both names were registered. They are technically the same hop however.
Originally bred by Charles (Chuck) Zimmerman as part of a USDA breeding program sometime in the 1970’s, Columbus is sometimes referred to at CTZ (Columbus, Tomahawk® and Zues) though it is genetically distinct from Zues hops.
It features a punchy hoppiness and deep, pensive aroma with understated citrus notes—perfect as a dual use hop. Commonly used late in the boil and, when fresh, Columbus has a herbal flavor with a lemon citrus back note. Usable in a number of styles, notably American-style ales.
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|Also Known As||Tomahawk®, CTZ|
|Purpose||Bittering & Aroma|
|Alpha Acid Composition||14%-18%|
|Beta Acid Composition||4.5%-6%|
|Cone Size||Medium to large|
|Seasonal Maturity||Mid to late|
|Yield Amount||2000-2500 kg/hectare (1780-2230 lbs/acre)|
|Growth Rate||Moderate to high|
|Susceptible to||Susceptible to downy mildew and powdery mildew|
|Storability||Retains 50%-60% alpha acid after 6 months storage at 20ºC (68ºF)|
|Ease of Harvest||Difficult|
|Total Oil Composition||1.5-4.5 mL/100g|
|Myrcene Oil Composition||25%-55%|
|Humulene Oil Composition||9%-25%|
|Substitutes||Zeus, Chinook, Northern Brewer, Nugget, Target, Warrior®, Millenium, Bullion|
|Style Guide||Imperial Brown Ale, Barley Wine, Imperial Stout, American Ales, Stout|
Where to Buy Columbus Hops
As a listing requirement, all suppliers below ship nationally to their respective countries.
- Yakima Valley Hops (USA)
- Great Fermentations (USA)
- Hop Alliance (USA)
- Northwest Hop Farms (Canada)
- BeerCo (Australia)
- Hops Direct (USA)
- Amazon (USA)
- Humlegårdens Ekolager (Sweden)
- Brook House Hops (United Kingdom)
- Brewshop.no (Norway)
- Kegland (Australia)
- Brewshop.co.nz (New Zealand)
- Grain and Grape (Australia)
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