Ornatec InternationalSpecies reference sheet · ornatecinternational.com
Grevillea robusta
Southern Silky Oak Tree
The Grevillea robusta, commonly known as the Southern Silky Oak, is a fast-growing, evergreen tree admired for its fern-like foliage and striking golden-orange flowers. Native to Australia, this hardy tree thrives in a variety of conditions and is a popular choice for shade, windbreaks, and reforestation projects. Its elegant form and vibrant blooms make it a standout feature in large gardens and landscapes.
Specifications
- Height15 to 30 metres
- Width6 to 10 metres
- Native toAustralia (eastern regions)
- FoliageFern-like, dark green leaves with silvery undersides; evergreen
- Growth rateFast
Conditions
- SoilPrefers well-drained soils; tolerates sandy, loamy, and clay soils
- LightFull sun
- WaterLow to moderate; drought-tolerant once established
- ClimateThrives in temperate, subtropical, and tropical regions
Additional Features
- FlowersVibrant golden-orange flowers in spring, attracting birds and pollinators
- FormTall, upright tree with a rounded canopy and distinctive foliage
- UsesIdeal for shade, windbreaks, reforestation, or as a feature tree in large gardens
- SpacingPlant 8 to 10 metres apart for individual specimens or 5 to 7 metres for windbreaks
- Low MaintenanceRequires minimal pruning; shape to control size if needed
- Pest ResistanceGenerally pest-free; monitor for occasional scale or psyllids
- Drought ToleranceHigh; suitable for low-water landscapes
- Frost ToleranceHardy to light frost
- Wildlife AttractionFlowers attract birds, bees, and butterflies
- Timber UseKnown for its durable, golden-hued wood, used in cabinetry and furniture
- Seasonal AppealEvergreen foliage with vibrant seasonal blooms
- VersatilityComplements native, contemporary, and reforestation garden styles
The Southern Silky Oak Tree is a majestic and functional addition to landscapes, offering shade, wildlife support, and vibrant seasonal colour. Its adaptability and rapid growth make it a valuable choice for both ornamental and ecological projects.
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