Australian Tree Fern

Scientific Name: Cyathea cooperii (F. Muell.) Domin
Synonym: Alsophila australis, Alsophila cooperi, Sphaeropteris cooperi
Family: Cyatheaceae

Recommended Temperature Zone:
Sunset®: 15-27
USDA: 9b-10

Frost Tolerance: Hardy to 24°F (-4°C), looks pretty sad in winter

Heat Tolerance: Total shade and abundant water only

Sun Exposure: light shade to shade

Origin: New Zealand

Growth Habits: Tree fern, slowly up to 20 feet tall (6 m), 12 feet spread (3.6 m)

Watering Needs: Abundant water in summer, regular water the rest of the year

I have killed a number of these ferns. They are beautiful, but won't take any sun in summer, and otherwise die without clear reason. If you find a place they like they can grow one foot a year or more. The brown hair on the stems can be irritating to the skin.