Growing fruit trees in pots or containers is a popular practice for areas that have poor soil, or for those gardeners who wish to have the decorative colors of a dwarf fruit tree in the home. Putting regular-size fruit trees in pots allows for a certain amount of portability. Pots make tropical fruit trees such as orange and avocado possible to grow in areas that do not have the right climate, allowing the grower the ability to move the plant indoors and outdoors as the weather requires.
Choose a pot that has adequate space for the existing root system and the potting media, says the University of Illinois Extension service. A container that is too small will cramp the roots, causing poor plant growth.
Place a wire screen at the bottom of the pot to keep soil from coming out of the bottom, suggests the University of Florida Extension service.
Add a 1- to 2-inch layer of gravel on top of the screen to hold it in place and to aid in the drainage of the plant, recommends the University of Florida.
Add a commercial potting soil, or 1 part sand, 1 part peat and 1 part bark and perlite or vermiculite as a potting mixture. Fill the pot partially, saving enough room for the tree.
Place the tree in the partially filled pot and add soil around it, leaving 1 to 4 inches from the top of the soil to the pot rim, suggests the University of Florida. Firm the soil around the tree.
Pour water onto the plant until water comes out of the bottom of the pot, suggests the University of Texas A & M. This indicates whether the soil is draining properly, and helps the tree out during the stress of transfer.