Australian silver oak
Our Australian silver oak is one of the most popular ornamental native trees here. Also commonly called silky oak or silk oak.
Native to the eastern coast here in Australia, Grevillea robusta is a tree that can grow to 40 m in height. It has dark grey, furrowed bark, green fern-like foliage and stunning yellow-orange flowers. The flowers are arranged in one-sided, 'toothbrush-like' groups, 12–15 cm in length. Flowering occurs September to November.
''Grevillea robusta'', commonly known as the southern silky oak, silk oak or silky oak, silver oak or Australian silver oak, is a flowering plant in the family Proteaceae. It is a tree, the largest species in its genus but is not closely related to the true oaks, ''Quercus''. It is a native of eastern coastal Australia, growing in riverine, subtropical and dry rainforest environments.