Early-season northern highbush for fresh markets. Origin: Dalian Senmao Modern Agriculture Co., Dalian, Liaoning Province, China, by H. Wang, G. Xu, Y. Wang, and Y Chen. Blueray O.P.; sown 2010; selected 2015; tested as Senmao 580. Chinese NFGA PBR 20200257; 21 Dec. 2020. Tree: vigorous; round to upright; blooms early; cluster density medium; recommended for machine or hand harvest; requires cross-pollination; chilling requirement 800-1000 h. Fruit: 1.5 g; round; light blue; picking scar small; firm; flavor good; sweetness high, acidity low; ripening concentrated, mid-June; stores well.