Apple blossom; photo by Winfried on Flickr (noncommercial use permitted with attribution / share alike).
Official State Flower of Michigan
Michigan designated the apple blossom as official state flower in 1897 (Michigan also recognizes a state wildflower). All State Flowers
From the legislation: "Our blossoming apple trees add much to the beauty of our landscape, and Michigan apples have gained a worldwide reputation. At least one of the most fragrant and beautiful species of apple, the Pyrus coronaria, is native to our state. Michigan has been one of the leading producers of apples and apple products since those early days."