Vernalization (IMAGE) University of Wisconsin-Madison Caption Waiting through a cold season to flower weighs heavily on the amount of biomass a plant accumulates. The Brachypodium grass on the right holds out through winter before beginning vernalization and flower production. The plant on the left flowers without vernalization, and does less work to establish roots and leaves. Credit Courtesy of Daniel Woods/UW-Madison Usage Restrictions None License Licensed content 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.