This mat-forming species with narrow, dark green leaves is one of the easiest to grow. Blossoms with red eyes open in early summer and may rebloom if sheared back after flowering. This plant requires full sun and sharp drainage and prefers neutral to alkaline soil. To propagate sow seed in a cold frame in fall; divide in spring or fall. Possible issues include: Crown rot, slugs, sow bugs, grasshoppers, chipmunks, squirrels.