Grevillea robusta (Silky Oak) - Image 25

Botanical name: Grevillea robusta

Common name: Silky Oak

Family: Proteaceae

Origin: Australia

USDA Plant Hardiness Map

USDA Zone: 8-10

Cold tolerance: 20°F

Small tree 10-20 ftPlant form: Small tree
Plant mature sizeMature height: 10-20 ft
Semi-shadeSun exposure: Semi-shade
Cold toleranceCold tolerance: Frost sensitive. Protect from freezing.
Watering: Regular. Let topsoil dry slightlyWatering: Moderate. Water when top soil feels dryWatering: Regular; moderate
Yellow, orange flowersFlower color: Yellow, orange
Suitable forSuitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Ornamental foliageFoliage color: Ornamental foliage
Irritating plantIrritating or toxic: Irritating
Plant attracts butterflies, hummingbirdsWildlife: Attracts butterflies and hummingbirds
See full plant profile: Grevillea robusta (Silky Oak)
Grevillea robusta (Silky Oak) orange flower clusters on a branch, close up
Grevillea robusta (Silky Oak) orange flower clusters reaching upward on a branch
Learn more about growing Grevillea robusta (Silky Oak)


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