Origin: in Ontario, Calif., by Herbert C. Swim, Armstrong Nurseries. Introd. in 1953. Plant patent 1150; 20 Nov. 1951. (Gold Mine nectarine o.p. × Rio Oso Gem) × (Gold Mine nectarine o.p. × July Elberta); selected in 1944. Tree: a shorter winter chilling requirement than most yellowfleshed freestone peaches having a similar ripening period to that of July Elberta, making it especially adapted for southern California conditions; leaf glands globose to reniform; flowers large, showy, color reddish-pink, blooms 5 to 10 days earlier than July Elberta. Fruit: size medium; broadly ovoid; skin yellow ground color, blushed with red; pubescence moderate, medium to short; flesh yellow, medium firm, flavor fine, good balance of acid and sugar, freestone; ripens 4 to 7 days before July Elberta.