What kind of fruit trees are suitable for planting on terraces?

Well, it depends on where you are, and you should plant something suitable for your region.

For example, Jiangxi is more suitable for growing oranges, and all kinds of orange trees can be used.

Yunnan is more suitable for planting pomegranate, and pomegranate trees bear better fruit in Yunnan.

Litchi and longan can be planted in Fujian.

Chestnut trees are planted in the south of the Yangtze River, and apple trees and peach trees are planted in the north.