SafePlants

Dicksonia squarrosa: The Hard Tree Fern

Dicksonia squarrosa, commonly known as Hard Tree Fern, is a striking tree fern species that adds a touch of prehistoric elegance to any landscape. Other common names include Wheki and Tirawa (Maori), and Brown Tree Fern.

Taxonomy and Nomenclature

• Scientific Name: Dicksonia squarrosa (G. Forst.) Sw.
• Family: Dicksoniaceae
• Synonyms: The text references variations like "hard treefern tree fern Dicksonia squarrosa" but doesn't explicitly list them as formal synonyms.

Considerations for Pets

• The trunk and older parts of tree ferns can develop a hard, dry surface.

Considerations for Children

• The trunk and older parts of tree ferns can develop a hard, dry surface.

Distribution and Habitat

Dicksonia squarrosa is native to New Zealand, including the Chatham Islands. It is also found in Mexico. The "K?mahi – pat? – soft & hard tree fern forest" type suggests a specific habitat association within New Zealand.

Morphological Characteristics

• It is described as having a relatively slim trunk compared to other tree ferns.
• It is a hardy, slow-growing, long-lived tree fern, potentially reaching up to 12 meters in height with a buttressed base.
• The trunk is fibrous and dark brown, contrasting with the attractive, pale green, arching fronds.

Ecological Role

The plant guide information indicates that tree fern is highly resistant to degradation, moss loves it, and it's all around one of great addition for backgrounds, substrates, and as a potting additive.

Interactions with Other Organisms

• Tree fern totems are used as a growing and mounting medium for orchids.
• The different species of tree fern vary in their suitability for epiphytes.

Additional Information

• The text mentions Discover Life as a resource for biology, natural history, ecology, identification, and distribution information.
• The text mentions a seasonal planting guide.