Ornatec InternationalSpecies reference sheet · ornatecinternational.com
Cyathea australis
Rough Tree Fern
The Cyathea australis, commonly known as Rough Tree Fern, is a striking and hardy Australian native fern known for its graceful fronds and rugged trunk. This evergreen fern adds a lush, tropical feel to gardens, making it ideal for shaded areas, woodland settings, or as a feature plant. Growing up to 10 to 12 metres tall in its natural habitat, it thrives in cooler, humid climates and adapts well to garden cultivation.
Specifications
- Height3 to 6 metres in gardens; up to 10 to 12 metres in the wild
- Width2 to 4 metres
- Native toEastern Australia
- FoliageLong, arching green fronds; evergreen
- Growth rateSlow to moderate
Conditions
- SoilPrefers rich, well-drained, moist soils with organic matter
- LightPartial to full shade; tolerates dappled sunlight
- WaterModerate to high; keep soil consistently moist
- ClimateThrives in temperate, subtropical, and cool, humid regions
Additional Features
- TrunkRough-textured, fibrous trunk with a distinct, upright form
- FormElegant, fountain-like canopy of arching fronds
- UsesIdeal for shaded garden beds, woodland gardens, or as a feature plant
- SpacingPlant 2 to 3 metres apart for individual displays or closer for a dense canopy effect
- Low MaintenanceRemove dead fronds to maintain appearance; mulch regularly
- Pest ResistanceGenerally pest-free; monitor for scale or caterpillars in stressed plants
- Drought SensitivityRequires regular watering, especially in dry periods
- Frost ToleranceModerate; protect young plants from severe frost
- Wildlife AttractionProvides shelter for birds and insects
- Seasonal AppealYear-round lush, green foliage
- VersatilityComplements tropical, rainforest, and formal garden styles
The Rough Tree Fern is a stunning addition to any garden, bringing a sense of elegance and lush greenery. Its hardy nature and ability to thrive in shaded areas make it an essential plant for creating serene, tropical-inspired landscapes.
Availability by project review. Sizes, quantities, origin and export readiness are confirmed after your plant schedule is reviewed against destination, timing and quarantine requirements. MEWA certified for supply into Saudi Arabia; Australian Export Registered Establishment.
Enquiries: sales@ornatecinternational.com
310 Donkin Rd, Utchee Creek QLD 4871, Australia
Prepared 24 August 2026