Australian Tree Fern, is a selected clone of the species Cyathea cooperi. Its growth is much faster than other tree ferns and can grow to be 15 feet tall in 10 years in the right growing conditions.
Along the lower California coast, for example, you may see 30 foot specimen trees with fronds 6 to 8 feet long. The trunk of this tree fern is formed from its roots, and so its advisable to water its trunk, as well as the soil.
Australian may be used as an annual for special effect in the garden in cold winter areas, but leave them in their containers and bring them in before freezes occur. These are very healthy plants with well established root system. Easy to grow ferns are one of natures most versatile, lush foliage plants.
The growth rate and leaf color of Australian Tree Fern will vary greatly depending on soil type, sunlight, temperature and other factors. A few leaves are often trimmed prior to shipping to reduce transpiration and travel stress.