Cyathea dealbata

Description

Alsophila tricolor, commonly known as the silver fern or silver tree-fern, is a species of medium-sized tree fern endemic to New Zealand. Recognizable by the silver-white color of the underside of its mature fronds, this fern holds cultural significance and is often associated with New Zealand both locally and internationally. Its Maori names, ponga or punga, reflect its deep-rooted presence in the region’s natural heritage. The fern is typically found growing to heights of 10 meters or more, with a dense crown and fronds that can reach about 4 meters in length. The striking silver coloration of the fronds’ undersides has historically been used to mark trails for night walking, adding to its practical value.

The fern’s correct scientific name, Alsophila tricolor, replaces the earlier Cyathea dealbata due to nomenclature rules, as the name dealbata was already assigned to another species. The fern’s trunk, which can grow up to 12 meters tall and 450 millimeters in diameter, is typically erect and covered with light brown or white stipe bases, bearing dark brown, often twisted and glossy scales near the apex. These features not only contribute to its distinct appearance but also make it an essential part of New Zealand’s flora, symbolizing the country’s natural beauty and cultural identity.

• NZ Silver Fern
• Compact, Slow Growing
• Silver Underside of Leaf
• Likes Drier Position
• Cold Hardy
• Grows 3 x 2m