Rainfall for your area should not exceed 12 inches (30. 5 cm) per year.
Grafted saplings will only reach about half the size of a tree grown from seed. The trees produced from seeds tend to be much stronger and hardier, but they may not be as reliable when it comes to fruit-bearing. If you’re testing the environmental limits with your mango growing, there are a few species that are able to grow in slightly cooler and wetter conditions than the aforementioned recommendation.
Polyembryonic seeds will produce clones of the parent tree. A polyembryonic seed should come from the fruit of a tree that thrives in your area. This way, you have a good idea of exactly the type of fruit you are getting — it should taste identical to the fruit of the parent tree. [5] X Research source
If there are five or more days of little to no rainfall, then you should water your young mango tree (under 3 years old) once a week until the dry period ends.