An upright, pyramidal tree when young with large, fern-like, pale-green leaves. As it ages, horizontal limbs develop, creating a broader top. Mature trees bear amazing large golden flowers in clusters in spring. Nectar-seeking birds are drawn to the flowers. Tolerates coastal winds and dry conditions. Grevillea robusta (Silky Oak) grows to 8m (H) x 6m (W) in 10 years.