Rockwool Cubes (1 inch) 200 Cubes, 1 Sheet

The Grodan 1 inch rockwool propagation cube comes in a sheet of 200 cubes, which fits nicely into a standard 10" x 20" greenhouse flat. The rockwool cube settings are about 1-1/2" in height, and almost 1 inch square. They aremonly used for starting lettuce and other leaf crops, and flowers.