For proper growth and fruiting, most tropical fruit trees require.

Exposure to sunlight
Protection from freezing temperatures

If the steps above are followed, and your avocado tree is still not growing, the problem may be root rot. Please read below...

Why is My Avocado Tree Not Growing?
Avocado trees are susceptible to root rot caused by fungi, which can cease their growth. This is due to too much water.
It is important not to overwater your avocado tree.
The new growth of the avocado tree turns black and withers.

Typically, the way to solve this problem is to reduce watering, typically to 1 to 2 times per week. You can also apply a fungicide by drenching the soil.
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