Origin: in Winters, Calif., by Claron O. Hesse, California Agr. Expt. Sta., Davis, and Agr. Res. Serv., U.S. Dept. of Agriculture. Introd. in 1954. Gaviota × Eldorado; cross made in 1940; first fruited in 1944; tested as Calif. 17-28. Tree: very vigorous; abundantly productive; self-fruitful; blooms with Santa Rosa. Fruit: Japanese; large, sizing well; flat, resembling Eldorado; skin deep reddish-blue, developing before shipping maturity; flesh light amber with no red, very firm, meaty, moderately sweet, quality fair; ships well; matures in late July in California, after Laroda and before President; resembles Eldorado.