; ;

Silky Oak

Grevillea robusta

  • C. Green, ©Australian National Botanical Gardens, 1970
  • A. McWhirter, ©Australian National Botanical Gardens, 1973


Open-crown tree from 10-30m. Dark grey bark with dark green lobed foliage and striking golden-orange flowers.


Tree locations and purpose
Front or back garden Yes
Driveway No
Narrow space No
Courtyard No
Screening No
Canopy for shading Yes
Planter box with irrigation No
Water Sensitive Urban Design (WSUD) No
Tree locations and purpose
Family Proteaceae
Tree origin Native
Tree shape
Tree type
Tree size (at maturity) Large tree maturing to >15m
Minimum ground area (m²) 39
Canopy area (m² at maturity) 79
Average height (at maturity) 16
Average width (at maturity) 10
Spacing 8-12m
Star rating

This tree is on Council’s list of recommended species for planting in Moreland. 

We recommend you choose the right tree for your space, but when you have more than one tree to choose from, select the tree with the highest star rating.

The Tree Finder tool is one way Council is working to increase tree canopy across Moreland



Images on this page are sourced from and copyright to the Australian Plant Image Index (APII), Australian National Botanic Gardens.