John Chapman ( September 26 , 1774 - March 11 , 1845 ) , often called Johnny Appleseed , was an American pioneer nurseryman who introduced apple trees to large parts of Pennsylvania , Ohio , Indiana , and Illinois , as well as the northern counties of present day West Virginia .
John `` Johnny Appleseed '' Chapman ( September 26 , 1774 - March 11 , 1847 ) is an American folk hero .