The white grape variety is an interspecific new variety between Elmer Swenson 56(Minnesota 78 x Cardinal) x Varousset. Synonyms are ES 8-2-43, Muscat de Swenson and Osceola Muscat. Genes of Vitis lincecumii, Vitis riparia, Vitis rupestris and Vitis vinifera are included. The hybrid was crossed by the breeder Elmer Swenson (1913-2004) near Osceola(Wisconsin). The late ripening vine is resistant to frost down to minus 34 °Celsius and in general to many diseases. It produces white wines with a subtle muscatel tone. In 2010, 24 hectares were registered in Canada and 1 hectare in the US state of Kentucky (Kym Anderson statistics).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012