Grevillea robusta | Silk Oak

A fast-growing tree with a growth habit that changes over time. Young trees are pyramidal then develop a broad form accentuated with horizontal branches. Leaves have a thick, fernlike appearance, dark green above, silvery beneath. Young trees are more easily damaged by cold: hardy to about 24F. Accepts high heat, even desert heat. Heavy, sometimes messy leaf drop in spring. Canopy coverage: 707 square feet.

Water Requirement: low

Sun Exposure: full sun

Cold Hardiness: cold hardy to 20F

Growth Rate: fast

Height: 60 feet high

Width: 30 feet wide


Foliage Color: dark green

Flower Color: gold, orange

Flower Season: spring