Grevillea robusta - Silky Oak, Silver Oak
- Mature size: 10-30m tall x 5-15m wide.
- Ideal growing conditions: Full sun.
- Growth rate: Moderate.
Uses
Feature tree, large street tree, shade provider, erosion control. Ideal for large gardens and parks.
Noteworthy
Australian native, stunning golden-orange flowers, attracts nectar-loving birds and bees, fern-like foliage, drought tolerant once established.
Tolerant
Highly adaptable to varied soil types, withstands coastal conditions, moderate droughts, thrives in urban environments.
Colour/Growth form
Grevillea robusta showcases vibrant golden-orange flowers in spring, accompanied by dense, fern-like green foliage. Its tall, towering form makes it an excellent choice as a feature tree. The stunning flowers attract a wide variety of birds and pollinators, enhancing garden biodiversity.
What is Grevillea Robusta?
Known as the Silk Oak, Grevillea robusta is a majestic Australian native tree appreciated for its beautiful growth and ornamental qualities. Thriving in full sun, it is perfect for creating shade and attracting birdlife.
How to Care for Grevillea Robusta
Provide well-drained soil and ample sunlight. Regular watering during establishment is essential, though it becomes drought tolerant once matured. Apply a slow release native fertiliser in spring to support vibrant blooms.
Ideal Growing Conditions
Thrives in well-drained soils and full sun. Suitable for Queensland and New South Wales climates.
