A hardy, white wine grape. Origin: developed by Elmer Swenson, Osceola, Wis. E.S. 2-3-17 × Kay Gray; cross made in 1980; sel. in 1984; tested as E.S. 4-8-33; introd. in 2001; named after Mr. Swenson’s wife, Louise; not patented. Tree: Fruit: yellow-gold when fully ripe; round; 3 g; soluble solids rarely exceed 20% even under hot conditions and acidity moderate; ripens in early-mid September in St. Paul, Minn. Cluster: small-medium (70-130 g); slightly loose, with no shoulder; unlike its pollen parent Kay Gray the clusters hang free of the tendrils.
Home