Apple

The cultivated apple’s story begins in the Tian Shan mountains of Central Asia, especially in what is now Kazakhstan. Wild Malus sieversii trees there produce fruit with remarkable variation—some small or sour, others surprisingly large and sweet. Genetic evidence identifies this species as the primary ancestor of the domestic apple, Malus domestica.

People likely began favoring and tending desirable trees in Central Asia before carrying their fruit and seeds along trade networks across Eurasia. Unlike grains, apples do not reliably reproduce a parent tree’s qualities from seed. That variability generated new forms, while grafting later allowed growers to preserve especially valued trees as named varieties.

As apples moved westward, they crossed with local wild species. European crabapple, Malus sylvestris, contributed substantially to the cultivated apple’s ancestry, while other Asian crabapples also left genetic traces. The modern apple is therefore not simply a wild Central Asian species transplanted worldwide, but a domesticated crop shaped by selection and repeated hybridization.

Apples now thrive in temperate growing regions around the world. China leads global production, while major American orchards are concentrated in Washington, New York, Michigan, Pennsylvania, Virginia, and California. Thousands of cultivars reflect the fruit’s unusually diverse inheritance, from crisp dessert apples to tart cooking and cider varieties.