Topaz™ Hops
Dual: Aroma and BitteringAlpha 13.7 - 18.0%Australia
Flavor & aroma
Topaz™ is a premier Australian dual-purpose variety that perfectly captures the bold, experimental spirit of Southern Hemisphere brewing. Developed in 1985 by Hop Products Australia and released in 1997, it was born from a cross between high-alpha Australian hops and genetics from Wye College in the United Kingdom.
Originally, Topaz™ was a utilitarian variety, selected almost exclusively for high-alpha acid extract production. However, as the craft revolution took hold, brewers discovered a hidden secret: when treated with the respect of a late-addition hop, Topaz sheds its "workhorse" reputation to reveal a complex tapestry of exotic fruit. It is now celebrated as a dual-purpose powerhouse, providing the structural muscle needed for high-gravity brews and the vibrant aromatics required for modern, fruit-driven ales.
If you can't find Topaz, the best alternatives are Amarillo®, Cascade, Citra®, Galaxy™, Rakau™, or Riwaka™.
At A Glance
| Profile | Resinous, Dank, Tropical Fruit, Lychee, Clove, Spicy, Passion Fruit, Earthy, Tobacco, Pine |
|---|---|
| Purpose | Dual: Aroma and Bittering |
| Alpha Acid | 13.7 - 18.0% |
| Substitutes | Amarillo®, Cascade, Citra®, Galaxy™, Rakau™, Riwaka™ |
| Pairs with | Centennial (to bridge the gap between earthy resin and citrus), Galaxy™ (to maximize tropical intensity), Vic Secret™ (for a cleaner pineapple finish) |
| Beer Styles | India Pale Ale, Imperial India Pale Ale, Pale Ale, Amber Ale, Stout |
General Information
| Country | Australia |
|---|---|
| Alias | TC-85-70 |
| Storage Stability | Retains 75% alpha acid |
Brewing Chemistry (Acids & Oils)
| Alpha Acid | 13.7 - 18.0% |
|---|---|
| Beta Acid | 6.0 - 7.9% |
| Cohumulone | 48.0 - 51.0% |
| Total Oil | 1.7 - 2.2 ml/100g |
| Myrcene | 55.0 - 55.0% |
| Humulene | 8.0 - 13.0% |
| Caryophyllene | 7.0 - 13.0% |
| Farnesene | 1.0% |
| Linalool | 0.3 - 0.8% |
| Geraniol | 0.2 - 0.5% |
Growth & Cultivation
| Yield | 3,400 - 3,750 lbs/acre |
|---|---|
| Maturity | Late season |
| Growth Rate | Very high |
| Cones | Large, very dense |
| Ease of Harvest | Good; bines are extremely tough and cones hold together well |
| Sex | Female (Triploid) |
| Leaf Color | Medium to dark green |
| Side Arm Length | 24" - 35" |
- 2026-03-04 02:11:15