Yes, these plants are able to produce fruit when their growing environment is favorable. Some articles claim that it may take as long as 10-13 years for your plant to produce fruit. I am new to growing this type of tree myself and can not comment on this.
How big do these plants grow?
When planted outside, this tree can grow as high as 15 to 20 feet with a width of 5 to 8 feet when full grown.
When raised in a container, the Haas Avocado can reach a height of 5 to 7 feet.
This plant loves the sun so be sure to place it in an area where it gets 6-7 hrs of sun each day. If grown in the shade it won’t grow as fast and may not produce fruit.
Hass’ avocado trees prefer a well-drained location in full sun that is protected from high winds. It can not tolerate freezing temperatures.
If you live it warmer climate and wish to plant this tree outside, be sure to provide it about 15 feet of space from other trees and plants. Depending on where you live, it is best to plant these trees between March through June.
As with most plants, dig a hole twice as large as the tree’s current root system. Be careful not to damage the roots as you plant the tree; cover the roots and fill the hole with soil. Water the soil to pack it and remove air pockets; add soil as necessary.
Stake the tree using a garden stake; tie the tree to the pole loosely using cotton twine. Apply 3-4 inches of loose mulch or bark chips. This will help the plant hold in moisture plus help with weed growth.
These plants are tropical and, generally, even though the adult plant’s roots like to stay on the dry side, the avocado leaves thrive when humid.
If you are raising your plant as an indoor plant, they will grow best if misted daily; or fill a saucer with pebbles and set the plant’s pot on top. Keep the saucer filled with water, just under the pot’s base. As the water evaporates it will rise up and help satisfy your plant’s humidity needs.
Water newly planted trees right after planting, then a couple times a week with 2-5 gallons of water. Let the soil dry before watering again.
While the tree is still young, keep the soil moist but not soaked. Don’t allow it to dry out for too long. As the plant grows older, a thorough weekly watering is basically all your avocado needs.
After the tree is about a year old, fertilize your Hass Avocado year-round using a well-balanced fertilizer.
For more information on caring for your hass avocado tree, check out: https://homeguides.sfgate.com/care-hass-avocado-trees-40307.html
In general, this is an easy plant to take care of.
You may want to prune the plant lightly to remove damaged branches during the first few years after planting. Pruning will also allow you to shape the tree somewhat. This should be done in the spring.
Below are the medicinal benefits of eating Haas avocados according to the US Library of Medicine National Institute of Health (https://www.ncbi.nlm.nih.gov/pubmed/23638933):
One half of an avocado offers:
The avocado oil consists of:
“There are eight preliminary clinical studies showing that avocado consumption helps support cardiovascular health. Exploratory studies suggest that avocados may support weight management and healthy aging.”