The first cross was made by the horticulturist, P.J. Wester, at the United States Department of Agriculture’s subtropical laboratory, Miami, in 1908. Seedlings were planted out in 1910
The tree thrives in various types of soil, from sandy loam to red basalt or heavy clay, but best growth and productivity occur in deep, rich loam of medium texture, with good organic content and a moderate amount of moisture.
In Florida, the Atemoya ripens in the fall. If there is light fruit set in October/November, flowering may continue to February and the fruit from such late blooms may have to be picked prematurely and ripened artificially to avoid cold night temperatures, but it will not develop the highest quality.