Originally selected by Charles Zimmerman for Hopunion, Inc., Columbus is a descendant of Nugget. It is a high alpha variety and is primarily used for bittering purposes. Columbus is often referred to as CTZ, a trio of similar hops including Tomahawk and Zeus.
Aroma: Specific aroma descriptors include black pepper, licorice, curry and subtle citrus.
Alpha Acid: 14.5-17.5%