Species reference sheet / enquiry only
Grevillea robustaSouthern Silky Oak Tree
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Procurement note
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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:
- Height: 15–30 meters
- Width: 6–10 meters
- Native to: Australia (eastern regions)
- Foliage: Fern-like, dark green leaves with silvery undersides; evergreen
- Growth rate: Fast
Conditions:
- Soil: Prefers well-drained soils; tolerates sandy, loamy, and clay soils
- Light: Full sun
- Water: Low to moderate; drought-tolerant once established
- Climate: Thrives in temperate, subtropical, and tropical regions
Additional Features:
- Flowers: Vibrant golden-orange flowers in spring, attracting birds and pollinators
- Form: Tall, upright tree with a rounded canopy and distinctive foliage
- Uses: Ideal for shade, windbreaks, reforestation, or as a feature tree in large gardens
- Spacing: Plant 8–10 meters apart for individual specimens or 5–7 meters for windbreaks
- Low Maintenance: Requires minimal pruning; shape to control size if needed
- Pest Resistance: Generally pest-free; monitor for occasional scale or psyllids
- Drought Tolerance: High; suitable for low-water landscapes
- Frost Tolerance: Hardy to light frost
- Wildlife Attraction: Flowers attract birds, bees, and butterflies
- Timber Use: Known for its durable, golden-hued wood, used in cabinetry and furniture
- Seasonal Appeal: Evergreen foliage with vibrant seasonal blooms
- Versatility: Complements 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 color. Its adaptability and rapid growth make it a valuable choice for both ornamental and ecological projects.
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