Around 3-4ft tall.
Cyathea Cooperi is a fast growing tree fern native to Australia, with fantastic long arching, mid-green fronds which can reach up to 4m long. A smaller tree fern with a slender stem, that can reach up to around 4m in height. It will withstand the cold down to -3 degrees C for short periods of time, but protection from frosts is recommended in the colder months. It prefers a partially shady, sheltered position in a moist but well drained soil.