A good-yielding, vigorous triploid aroma-type cultivar released in 1993, half-sister to Mt. Hood, Liberty & Ultra.
Crystal Rhizome Flavor
An American triploid variety developed in 1993 from Hallertau, Cascade, Brewer's Gold and Early Green. It is spicier than Hallertau (cinnamon, black pepper, and nutmeg). Substitutes: any Hallertau variety, Mount Hood, Liberty. (Reference)
Order Crystal Rhizome
Hop Growers of America Information
Crystal is a triploid variety that was bred by U.S.D.A. from Hallertau mf, Cascade, Northern Brewer, and Early Green. It is perceived as the most pungent of the triploid Hallertau family of hops, and is increasingly popular among U.S. craft brewers. It is a versatile variety that is used in Pilsners and Lagers, as well as in ESB’s and American and Belgian-style Ales. Crystal is primarily grown in Oregon.
- Commercial Examples:
- German-style Pilsner, Lager, Kölsch, ESB, Belgian Ales
- Acid Range (Alpha %)
- Beta Range
- 20–26% of alpha acids
- Total Oils
- 1–1.5 Mls. per 100 grams dried hops
40–65% of total oils
- 4–8% of total oils
- 18–24% of total oils
- Possible Substitutions
USDA Crystal Rhizome Information
USDA ACCESSION NO.: 21490
SELECTION: Seedling selection Nr. 8309-37 from cross Nr. 9, made at Corvallis,
OR in 1983.
PEDIGREE: USDA 21397 x USDA 21381M
Tetraploid Hallertauer mittelfrueh x (Cascade x USDA 65009-64034M)
PRIMARY SITE: USDA-OSU Experimental hop farm, East Farm, Corvallis, OR.
ORIGIN: Seedling selection from a controlled cross made by Dr. Alfred Haunold
at Corvallis, OR in 1983.
DATE RECEIVED: 1983
METHOD RECEIVED: Seedling selection
AVAILABITLITY: no restrictions, publicly released hop variety
REFERENCES: USDA-ARS. Notice of Release of Crystal, a new aroma hop cultivar. Washington DC, July 1993.
Alfred Haunold, Gail B. Nickerson, Ulrich Gampert, Donna Kling, and Stephen T. Kenny. 1995. Liberty and Crystal - two new US-developed Aroma hops. J. Amer. Society of Brewing Chemists 53: 9 - 13. 1995.
MATURITY: medium late to late
LEAF COLOR: dark green
DISEASES: downy mildew: moderately susceptible
Verticillium wilt: resistant
Viruses: free of all major hop viruses at the time of its release
VIGOR: very good
YIELD: very good, 1,800 to 2,200 lbs/acre
SIDE ARM LENGTH: 24 to 48 inches
ALPHA ACIDS: 2.8 to 4.4%
BETA ACIDS: 5.8 to 7.0 %
COHUMULONE: 21 to 26%
STORAGE STABILITY: fair to good, lost an average of 35% of original alpha acids after 6 months room temperature storage
OIL: 0.82 ml/100 g. Humulene 26%, caryophyllene 7/7%, farnesene- trace,
Myrcene 47%. Ratio of Humulene/Caryophyllene = 3.38
MAJOIR TRAITS: Similar oil profile as Hallertauer mittelfrueh; pleasant continental-type
aroma; suitable for flavoring beers and ales when Hallertaur-type aroma
OTHER INFORMATION: Crystal is a half-sister of Mt. Hood (USDA 21455), Liberty (USDA 21457), and Ultra (USDA 21484).
A good-yielding, vigorous triploid aroma-type cultivar released in 1993, half-sister to Mt. Hood, Liberty & Ultra. Produces a small cone later in the season with tolerance to Downy Mildew.
Crystal is a genteel, continental-lady-meets-American-belle with a delicate blend of spices and flowers. It has a low bittering value which adds to the charm.
|Dimensions||6 × .5 × .5 in|