Sterling was bred by United States Department of Agriculture in 1990, released in 1998. Sterling is typically considered an aroma hop but may be used for bittering. It was cultivated to be a replacement for Saaz due to unreliable availability. The hop is a bit of a mutt (or you could say complex) with heritage from Saaz (50%), Cascade (25%), Brewer's Gold, Early Green as well as other Eurpean varieties.
Alias | USDA 21689 |
Profile | Floral, citrus, spicy and herbal. |
Country | United States |
Substitutes | Lubelski, Mount Hood, Saaz |
Pairs with | Magnum, Mount Hood |
Purpose | Dual: Aroma and Bittering |
Yield | 1400 - 1800 lbs/acre |
Storage | Maintains 60% - 75% alpha acid contents after 6 months storage at 20°C (68ˌF). |
Beer Styles | Lager, Pilsner, Belgian Ale |
Resistant | Downy mildew and powdery mildew |
Alpha Acid | 5.5 - 9.0% |
Beta Acid | 4.5 - 6.0% |
Cohumulone | 22.0 - 28.0% |
Total Oil | 0.6 - 2.0 ml/100g |
Myrcene | 36.0 - 45.0% |
Humulene | 16.0 - 23.0% |
Caryophyllene | 5.0 - 8.0% |
Farnesene | 15.0 - 19.0% |
Linalool | 0.5 - 0.9% |
B-Pinene | 0.5 - 0.6% |
Geraniol | 0.2 - 0.4% |
Growth Rate | Moderate to high |
Cones | Medium in size, compact density |
Maturity | Middle |
Ease of Harvest | Easy |
Sex | Female |
Leaf Color | Dark green |
Side Arm Length | 24" - 36" |