Willamette - Hopslist

Considered a pillar of the US hops industry, Willamette is one of the most prolifically grown varieties in the US. First selected in Oregon in 1967, it received USDA accession in 1971 and was released the same year.

Willamette is a triploid aroma hop with its heritage being primarily derived from English variety Fuggle and Fuggle Tetraploid. It shares this same pedigree with its sister selection, Columbia. When brewed, Willamette features complex spiciness characterized by both herbal, floral and fruity notes.

Originally bred to replace Fuggle, it has excelled in popularity in recent times, particularly among craft brewers and accounts for approximately 20% of all commercially grown hops in the US today.

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Also Known As
Characteristics	Heraceous spiciness, floral, fruity
Purpose	Aroma
Alpha Acid Composition	4%-6%
Beta Acid Composition	3%-4%
Co-Humulone Composition	30%-35%
Country	US
Cone Size	Small to medium
Cone Density	Loose to Moderate
Seasonal Maturity	Early to mid
Yield Amount	1340-1700 kg/hectare (1200-1520 lbs/acre)
Growth Rate	High
Resistant to	Resistant to prunus necrotic ring-spot virus and downy mildew
Susceptible to
Storability	Retains 60%-65% alpha acid after 6 months storage at 20ºC (68ºF)
Ease of Harvest	Difficult
Total Oil Composition	1-1.5 mL/100g
Myrcene Oil Composition	30%-55%
Humulene Oil Composition	20%-30%
Caryophyllene Oil	7%-8%
Farnesene Oil	5%-6%
Substitutes	Fuggle, Styrian Golding, Tettnanger (US), Glacier, Styrian Golding
Style Guide	Ale, American Ales, Pale Ale, Brown Ale, English Ales, Porter