Origin: in Morden, Manitoba, Canada, by Canada Dept. of Agriculture, Res. Sta. Introd. in 1938. Open-pollinated seedling of a white-fruited plant (Prunus tomentosa), secured at U.S. Dept. of Agriculture Northern Great Plains Field Sta., Mandan, N.D. Tree: Fruit: up to 5/8 inch in diam.; round; skin bright scarlet, thin, tender; flesh firm to melting, tender, sweet, pleasant, quality very good; pit small; season last half of July; good as dessert, canned, jelly, jam. Bush: upright, large, vigorous; dense; spreading; annual bearer, very productive; tolerant to dry conditions.