CTZ Hops

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Hop Qualities

CTZ Hops Flavor

Columbus hops rank high on the bittering scale, yet are also valued for its oil content which creates a hop that is an interesting dichotomy of sharp and herbal.(Reference)
Order CTZ Rhizome

Hop Growers of America Information

Along with Zeus and Tomahawk, these three super high alpha varieties are often grouped together and referred to as CTZ. Each of these varieties has alpha acid content of between 14.5-16.5% and share the same female parent as Nugget. Originally bred for their high alpha value, they have also become popular for their oil profile.
Yield (kilos per hectare) 2,800 - 3,249
Yield (lbs per acre) 2,500 - 2,900
Alpha Acids 14.5 - 16.5%
Beta Acids 4.0 - 5.0%
Cohumulone (% of alpha acids) 28 - 32%
Total Oils (Mls. per 100 grams dried hops) 2.0 - 3.0
Myrcene (as % of total oils) 40 - 50%
Caryophyllene (as % of total oils) 9.0 - 11%
Humulene (as % of total oils) 12 - 18%
Farnesene (as % of total oils) < 1.0%
Storage (% alpha acids remaining after 6 months storage at 20° C) 52%
Possible Substitutions Galena, Chinook, Nugget
Commercial Examples:
American IPAs & Pale Ales, Stout, Lager
Acid Range (Alpha %)
14–17% 14–17%
Beta Range
3–5.5%

USDA CTZ Hops Information

USDA ACCESSION NO.: not applicable
SELECTION: not disclosed
GENUS: humulus
SPECIES: lupulus
CULTIVAR: Zeus
PEDIGREE: not disclosed, but probably derived from Brewer's Gold
PRIMARY SITE: S.S. Steiner Hop Farms, Washington
ORIGIN: seedling selection
DATRE RECEIVED: not applicable
METHOD RECEIVED: not applicable
AVAILABILITY: private variety, not generally available
REFERENCES: Hilton, Jerrold F. 1998. Hops into the Millennium. S.S. Steiner Inc.
New York, N.Y. 10021-8078
MATURITY: mid season to late season
LEAF COLOR: dark green
SEX: female
DISEASES: no information available. Reputed to be resistant to powdery mildew
VIGOR: very good
YIELD: very good, 2,400 to 3,000 lbs/acre
SIDE ARM LENGTH: no information available
ALPHA ACIDS: 13 to 17%; one field reportedly had about 20% alpha (at harvest??)
BETA ACIDS: 4.5 to 6.5%
COHUMULONE: 30 to 40%
STORAGE STABILITY: studies in progress
OIL: 2.4% ml/100 g; myrcene 55-70%; humulene 10-20%,
Caryophyllene 5-10%; farnesene < 1% of total oil
MAJOR TRAITS: high yield potential, high alpha acids content, abundant lupulin, pleasant aroma, somewhat pungent according to one brewmaster.
OTHER INFORMATION: Private variety under control of S.S., Steiner Co. Hop grown by several Washington growers under private agreement with S.S. Steiner Inc.

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