Even though the Dwarf Cavendish banana plant grows into a dense banana grove, the Cavendish banana fruit is delicious and very popular to buy in grocery stores. The Cavendish Banana tree grows to 7 feet in the Southeast with leaves that measure, one foot wide and 5 ft. long. This South American banana tree grows 7 ft. Tall and produces commercial quantities of large bunches of medium sized fruit for grocery chains. The Cavendish Dwarf Banana Tree produces a tasty, sweet banana that you can grow right in your own backyard!