The Red Prairie Spy Apple, Malus 'Red Prairie Spy', is a red selection of Prairie Spy that has better fruit adherence on the tree at maturity. This tart apple is best for baking, very good for pies, and great for fresh eating. Red Prairie Spy is a long-term storage apple and very productive. It displays white flowers in the spring with deep green foilage. It needs another apple variety for pollination. The Red Prairie Spy was introduced by the University of Minnesota 1940. Plant about a month after the first killing frost in the fall or about a month before the last killing frost in the spring. Select a planting site that has good air, drainage, full sunlight and deep, well drained soil.