With sweet fruits and commonly called Pawpaw, Asimina triloba is from North America and grows well in temperate climate.
Asimina triloba (Pawpaw) is very different plant to Papaya (also sometimes called Pawpaw) which has a sweeter tase to the fruit and is a tropical plant. They do look alike in terms of the fruit when green however are unrelated.
One of the very first North American plants to be introduced to cultivation this is a deciduous plat in most climates and grows well in full sun in a humus rich well drained soil.
How to Grow Asimina triloba (Pawpaw)
You will need two plants to get good fruit and young plants are the best to look for as this is a species that has a long tap root.
In cooler climates full sun is best for fruit production, in warmer areas choose a position with some afternoon shade.
Mulch around the plant to maintain a cool moist root run.
Fertilise in spring with a general purpose organic fertiliser for fruit trees.