
Red Silky Oak
Grevillea banksii
A vibrant Australian native with stunning scarlet bird-attracting blooms.
- Plant Type
- Shrubs & Roses
- Width
- 6-10 Ft.
- Height
- 7-33 Ft.
- USDA hardiness zone
- 9 - 11
- Sun requirements
- Full Sun
- Design image count
- 2
Design images (2)


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Create design onlineAbout Red Silky Oak
Red silky oak is a variable Australian grevillea that may grow as a shrub or a small, slender tree. Its deeply divided leaves and upright clusters of red flowers bring year-round structure and nectar-rich color to sunny gardens in mild climates.
## Form and Interest
Sources describe a wide range of forms, from lower, spreading garden selections to taller shrubs and small trees; choose planting space for the plant’s expected mature form rather than assuming every specimen reaches the same size. The red flower clusters attract birds, and the fine foliage gives the plant a distinctive texture even between flowering flushes.
## Growing Conditions
Plant in full sun and well-drained soil. The species is adapted to Australian conditions, and established plants can manage periods of limited supplementary watering; regular moisture is useful while a new planting develops. Avoid persistently waterlogged soil, and allow room for the eventual canopy.
## Maintenance
Prune selectively after flowering to shape the plant or remove damaged growth, taking care around its branches. Check the mature form of the nursery selection before using it for screening, since prostrate and compact selections differ substantially from upright forms. [NParks Flora & Fauna Web](https://www.nparks.gov.sg/florafaunaweb/flora/2/0/2047) and [Royal Botanic Gardens Victoria HortFlora](https://hortflora.rbg.vic.gov.au/taxon/ad97ffa2-5340-11e7-b82b-005056b0018f)