Genus of 8 species of herbaceous perennials or small shrubs. They take their name from the Greek "keratostigma".
Latin name: Ceratostigma plumbaginoides
They grow in full sun and in light soils.
Herbs are propagated by division and shrubs by semi-woody cuttings in summer.
Rhizomatous, mat-forming, herbaceous plant with green leaves and blue flowers, borne in late summer and early autumn.