Hop: Sirem


Sirem was a clone of Zatecky Krajovy which is a presumed Saaz clone at the Hop Research Institute in Zalec, Yugoslavia. Based on this heritage Sirem has pleasant noble aroma. Pour growth rate and yield have led to it only being grown in limited acreage in Czechoslovakia but exported under a variety of aliases: Saaz, Bohemian Red, and/or Aurum.

General Information

Profile Pleasant noble aroma.
Country Yugoslavia
Substitutes N/A
Purpose Aroma
Yield 74 - 192 pounds/acre
Storage Retains 54 - 60% alpha acid contents after 6 months of storage at 68°F.
Beer Styles Pilsner
Susceptible Downy mildew (moderate)


Alpha Acid 2.7 - 4.4%
Beta Acid 2.8 - 3.5%
Cohumulone 21.0 - 25.0%


Total Oil 0.2 - 0.8 ml/100g
Myrcene 20.0 - 40.9%
Humulene 20.3 - 26.5%
Caryophyllene 5.6 - 6.6%
Farnesene 12.2 - 20.8%

Additional Characteristics

Growth Rate Poor
Maturity Early
Sex Female
Leaf Color Dark green
Side Arm Length 6 - 10 inches


Last Updated
  • 2021-09-30 08:55:36 (Added: 2021-09-30 08:55:36)

Hops Catalog

Did you know?
  • Dwarf variety hops grow shorter in height than traditional varieties but, importantly, produce the same yield. This combination makes harvest easier.
Recently added hops
  • Storage: is based on the percentage of alpha acids remaining after 6 months at 20*F.
  • Oil composition percetages are based on the total percentage of oil in the hop. Example: 10 - 20% means that for the specific oil it is 10 - 20% of the overall oil make up.
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