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Grevillea robusta - Silk Oak
- Regular price
- $570.00
- Sale price
- $570.00
- Regular price
-
Tax included.
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Learn About Your New Grevillea robusta - Silk Oak
Grevillea robusta – Silk Oak is a fast-growing, evergreen Australian native tree admired for its elegant form, fern-like foliage, and showy orange-red flowers. Reaching up to 30 metres in height with a spread of 10–15 metres, this large tree delivers bold scale and striking seasonal display in parks, large gardens, and open landscapes.
The foliage of Grevillea robusta – Silk Oak is one of its standout features — pinnately divided, fern-like leaves with a soft silver underside that creates a lush, textured appearance. From late spring to early summer, it produces large clusters of vibrant orange-red flowers, which attract native birds and pollinators.
It thrives in full sun to partial shade, performs well in a wide range of soils including clay and sand, and is moderately drought-tolerant once established. Its upright, symmetrical form and conical crown make it suitable as a shade tree, ornamental feature, or habitat tree in larger settings.
Grevillea robusta – Silk Oak is a strong performer where space allows, offering year-round structure, seasonal colour, and valuable habitat for wildlife — all with minimal maintenance once established.
Key Details
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Botanical Name: Grevillea robusta
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Common Names: Silk Oak, Australian Silver Oak
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Mature Height: Up to 30 metres
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Mature Width: Typically 10–15 metres
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Foliage: Fern-like, pinnate leaves with silver underside
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Flowers: Orange-red clusters, spring to early summer
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Form: Tall, upright with conical crown
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Sunlight: Full sun to part shade
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Soil: Tolerates a variety of soils, including clay and sand
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Drought Tolerance: Moderate once established
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Maintenance: Low to moderate
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Water Needs: Regular during establishment; low thereafter
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Uses: Shade tree, feature planting, habitat planting, large landscapes
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Evergreen/Deciduous: Evergreen
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Evergreen Trees Direct is Australia's unrivaled supplier of the highest quality advanced tree stock. Our extensive supplier network allows us to provide a one-stop shop for all your landscaping needs, no matter how big or small the project. We pride ourselves on exceptional service, ensuring a seamless experience from selection to delivery. Trust us to bring your landscaping vision to life with the perfect trees for any outdoor space. With our unrivaled selection and commitment to service, Evergreen Trees Direct is the top choice for landscapers, property developers, and garden enthusiasts alike.
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