Ahtanum was bred by Select Botanicals Group, Ahtanum® Brand YCR 1 is an aroma-type cultivar used for its aromatic properties and moderate bittering. The hop is named after the location where Charles Carpenter established the first hop farm east of the Cascade Mountains in Washington State in 1869.
Aroma: Specific aroma descriptors include citrus grapefruit and geranium.
Possible substitutions include Amarillo, Centennial and Simcoe| Alpha Acid | 3.5 - 6.5% |
| Beta Acid | 4 - 6% |
| Co-humulone | 30 - 34% |
| Total Oil | 0.5 - 1.7 mL/100g |
| B-Pinene | 0.6 - 0.9% of total oil |
| Myrcene | 45 - 55% of total oil |
| Linalool | 0.4 - 0.6% of total oil |
| Caryophyllene | 9 - 12% of total oil |
| Farnesene | < 1.0% of total oil |
| Humulene | 15 - 22% of total oil |
| Geraniol | 0.4 - 0.7% of total oil |