Grevillea robusta

Silky Oak

Family: Proteaceae Protea


Type Tree
USDA Hardiness range 9B - 11
Exposure Partial shade to full sun
Bloom color Orange, yellow
Bloom time Spring
Water needs Dry to moist
Landscape uses Container
Height 70' to 120' / 21.40m to 36.60m
Spread 25' to 35' / 7.60m to 10.60m
Growth rate Fast
Persistence Evergreen, needles or needle-like
Leaf color Green
Fruit color Black
Soil pH requirements Acidic, neutral, slightly alkaline
Soil type Sandy, clay, loamy
Form Oval, pyramidal
Attributes and features Attractive foilage, naturalizing