Cyathea australis --Rough Tree Fern--

A large, very robust tree fern native to moist forests in southeastern Australia and Tasmania. Its thick trunk is covered in a dense layer of dark brown, wiry roots and reaches a height of 5 m (17 ft.) or more. Trunks to 15 m (50 ft.) tall and with a diameter of more than 2 m (7 ft.) have been found. It is a popular ornamental and one of the hardiest tree ferns and easily grown in most temperate climates without freezes much below -10°C (14°F).Cultural RequirementsSun Exposure Light shade when youngLight shade in dry, hot climatesLight shade in all climatesDeep shade when youngFrost Tolerance SevereWater Requirements HighWind Tolerance ModerateAppearanceGrowth Rate ModerateGrowth Form Small TreePalmlike TreeOrnamental Value PrettyUsesProperties EvergreenHazards Child and Pet FriendlyGardening LandscapingOrnamentalPotted