Another species you may not know as well is the hardy or dwarf plumbago (Ceratostigma plumbaginoides) which has outstanding azure blue flowers and only grows to a height of 8 inches. As a ground ...

The scientific name of plumbago used for ground cover is Ceratostigma plumbaginoides. There is a similar species, called Chinese plumbago (Ceratostigma willmottianum). The two plants look ...