Examples from the Web for softwood
There were plenty of splinters and ends of softwood that were mine by right of purchase and labour.The Rising of the Court|Henry Lawson
It is apparent, therefore, that the terms hardwood and softwood are commercial rather than scientific.
Since softwood trees bear cones, they are called coniferous trees.Hallowed Heritage: The Life of Virginia|Dorothy M. Torpey
The softwood cutting is made from tissue which is still growing, or at least from that which is not dormant.Cornell Nature-Study Leaflets|Various
Its range is more restricted than that of any other American softwood.