Sydney blue gum is an Australian native hardwood timber species.It is widely used for flooring, cladding, fencing, panelling, and boat building. Other common applications include landscaping (as garden sleepers), furniture and joinery. The heartwood of the species ranges in colour from dark pink to a reddish brown. Sapwood is distinctly paler. The grain of Sydney blue gum timber is typically straight, with occasional interlocking of grain. Texture is moderately coarse and gum veins are common.