Either you live in hot and humid climate like Florida or in a cold and freezing climate like Maine, you can grow tropical fruit indoor. It sounds like a fantasy, but you do not know how easy it is. The key is choosing most dwarf varieties of fruit trees that have been bred to produce fruit even on a smaller plant. Another important key is to move your potted fruit trees outdoor as the season change. For example, if you live in cold climate, move your plants outdoor in the summer.
Usually compact fruit trees come in a 4-inch pot. Before selecting a container to repot your fruit tree, consider your needs. For example, think about available space, durability and weight of container. Compact fruit trees can grow for a couple of years in an 8-inch-wide container, however, larger varieties need a larger container. Just keep in mind that the larger container is heavy and hard to move. Terra cotta, stone, and ceramic fruit containers are durable but heavy. Plastic, polystyrene, and other modern composites materials are lightweight, long-lasting, and fabricated to resemble many kinds of materials.
There are many potting mixes formulated for growing fruits in container. The important point is choosing a potting mix that has a great drainage. Make sure it contains perlite to keep moisture and slow release fertilizer as well. Do not fill a container with a native clay soil because it rarely drain and is too heavy.
Watering and fertilizing
Fruits grown in a container need more frequent water and fertilizer because of limited root system. Make sure to use enough water to soak the entire root ball. Nutrients tend to wash out because of frequent irrigation, so to compensate for nutrients lost, feed plants at least once a month with a complete liquid fertilizer containing micronutrients. Controlled-release fertilizer can also be used on container plants, but they need enough time to release (from weeks to months).
Some dwarf fruit tree varieties to grow in container