Bulletin #2264, Maine Forage Facts: Kentucky Bluegrass (PDF) By Jaime Garzon, Assistant Extension Professor and Dairy Forage Educator, University of Maine Cooperative Extension For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Kentucky Bluegrass Kentucky bluegrass seed head. Bluegrass (Poa pratensis