Grevillea robusta
Silky Oak

Uses: Large, prolific flowering grevillia from NSW and Queensland.
Highly attractive as a feature plant with striking displays of yellow, orange flower spikes in spring and summer.
Likes well drained moist soils but does not like lime.
Attracts bees.

  • Canopy Shape canopy-conical Conical
  • Height 8-20m
  • Spread 5-14m
  • Position
    • position-fullsun Full Sun
  • Family Proteaceae
  • Botanical Name Grevillea robusta
  • Common Name Silky Oak
  • Origin Qld, NSW
  • Habit Upright, Spreading
  • Landscape Coastal footslopes, Footslopes, Hills, Plains, 2nd line coast
  • Soil Texture Clay, Loam, Sand
  • pH Acidic, Alkaline, Neutral
  • Tolerates Drought, Lime, Moderate frost, Wind
  • Supplementary Watering Minimal
  • Flower Colour Orange, Yellow
  • Flowering Time Spring, Summer
  • Foliage Grey-green
  • Purpose Ornamental, Habitat, Shade, Timber, Wind protection
  • Evergreen/Deciduous Evergreen
  • Trunk Furrowed
  • Form Medium Tree (Usually between 5m & 11m)