The answer is slopes
Mangos are a fruit that need warm conditions to grow. Much of the plains experience cold winters and warm summers In the northern hemisphere a south-facing slope (more open to sunlight and warm winds) will therefore generally be warmer and drier due to higher levels of evapotranspiration than a north-facing slope. In the southern hemisphere, the sun tends to be in the northern half of the sky, so a north-facing slope will be warmer.