Redcort is a “sport” variety of Cortland, with heavy red streaking over yellow-green skin. It is a large, oblate apple with crisp and juicy white flesh. Its flavor is more tart than sweet, and it is an outstanding all-purpose apple.
Discovered: 1983 Marlboro, New York
Parentage: A sport of Cortland
Sport varieties are developed from mutant branches that share many traits of the parent tree but have some distinctive quality.