Origin: in North Platte, Neb., by Glen Viehmeyer, North Platte Expt. Sta., and in Cheyenne, Wyo., by LeRoy Powers, U.S. Hort. Field Sta. Introd. in 1958. Several varieties as well as the wild Rocky Mountain species, Fragaria ovalis, entered into the parentage: (Rockhill × Cheyenne 3) × (Midland × Cheyenne 2); cross made in Winter 1945-46; seedlings planted at North Platte in 1947; tested as NP 47222-1. Tree: foliage dense, dark green, leathery; very vigorous; highly resistant to leaf spot; extremely hardy; yields high; appears to be well adapted to the northern Great Plains region. Named after a Sioux Indian tribe. Fruit: medium to large, carrying a good size through the season; skin rich, dark red, too tender for good shipping; achenes slightly depressed; flesh bright red, firm, tender, sweet, high quality, aroma mild; slight bitterness in overripe fruit during hot weather; processes very well; season starts in late May or early June in North Platte to early November; fruiting continuous (everbearing) except for 3 weeks immediately after the spring crop; fruiting scapes short.
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