The eucalyptus gunnii is a versatile hardy plant that can be easily pruned into a shrub but will also grow quickly into an evergreen tree parts of the australian ironbark can even be included in flower arrangements also known as the cider gum the juvenile foliage is silvery blue and rounded it transforms into linear green leaves as the plant ages mature specimens feature an interestingly patterned trunk shrouded in impressive flaking bark height 25m 40823941 spread 10m 4033