The huge growing Australian Tree Fern plant forms trunks 6 inches thick and can grow 30 feet high. The fronds of the Australian Tree Fern plant can grow 8 feet long. The Australian Tree Fern can stand temperatures down to 23°F; however; there is some leaf damage at 27°F. The serpentine leaves of the Australian Tree Fern unfurl to form beautiful; eye-catching fronds.
