If you’re talking about a tree that you started from a seed, then don’t expect your plant to bear fruit, because ungrafted trees (like those grown inside from seeds) rarely produce fruit. In order to have an avocado tree that produces fruit, you have to graft the seedling. Grafting involves mixing the tissues of the seedling with those of a producing tree. Once grafted a plant grown from seed can take anywhere from five to 13 years to flower and bear fruit.
Avocado grafting requires precise weather conditions and therefore a successful graft yield is often low - even for professionals. Which is why, it is often just easier to simply buy a grafted tree from a reputable nursery.
Your tree will also need to be fed. Nutrients needed by avocado trees are Nitrogen, Phosphorus and Potassium (NPK) in a 7-4-2 fertilizer and Zinc. You should feed young trees 1/3 to 1/2 pound of actual nitrogen per tree per year, It can be spread out over several applications if you like.
When watering, it is best to soak the soil well, then allow it to dry out somewhat before watering again. At planting, the tree can hold about 2 gallons of water. Depending on the weather, your tree may need a gallon of water a day along the coast. Typically, trees need to be watered two to three times a week. A mature tree will take about 20 gallons of water a day.
If you have patience and follow the guidlines you may be lucky enough to be graced with a tree that may produce an abundance of Avocados.
