Hops Production System in Oregon (image) University of Tennessee Institute of Agriculture Share Print E-Mail Caption A key ingredient in beer, hops is a specialty crop that is not widely grown in Tennessee, at least not yet. The photo above shows a hops production system in Oregon. Credit Photo by S. Ausmus, USDA-ARS D997-1. Usage Restrictions Photo credit goes to S. Ausmus, USDA-ARS D997-1. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.