Evergreen tree, with a dense canopy of striking silver-blue foliage, about 10-15m tall. The bark is grey-brown over reddish-brown and vertically fissured. Glaucous, greyish-blue, rounded juvenile leaves to 8cm long and intermediate foliage, lasts on the tree for many years. and is covered in a highly ornamental white, waxy bloom. Adult folige is a dull, sage-green and sickle-shaped, but rarely appears. White flowers are produced in late spring, followed by funnel-shaped woody fruit. The foliage and wood is strongly fragrant of eucalyptus oil.