Grevillea robusta - Silk Oak, Silver Oak
- Mature size: 15-20m tall x 6-8m wide.
- Recommended spacing for planting: 5-7m apart for optimal growth.
- Ideal growing conditions: Full sun.
- Growth rate: Fast.
Uses
Feature tree, street tree, shade provider, windbreak, ornamental garden tree. 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 frost tolerance, 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 or windbreak. 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 fast 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 fertiliser in spring to support vibrant blooms.
The Beauty of Grevillea Robusta
Its golden-orange flowers bloom magnificently in spring, offering a feast for the eyes and a haven for wildlife. Its foliage creates a lush, tropical appearance year-round, adding visual interest to any landscape.
Ideal Growing Conditions
Thrives in well-drained soils and full sun. Suitable for Queensland and New South Wales climates. Withstands urban pollution and coastal challenges, making it versatile for many environments.
Benefits of Planting Grevillea Robusta
Enhance garden aesthetics and local biodiversity by planting Grevillea robusta. Its grand presence and wildlife attraction make it a valuable addition to landscapes, contributing to a healthy ecosystem.
