Photographs above and below right:
Dorothy Haynes, Co.Kerry
Blue flowers with yellow centres, 6-petalled. Self-seeds freely. Grass-like leaves, fine-pointed, evergreen in mild winters. Height 10-15cm. Self-sown seedlings are hardier than parent, and more drought-tolerant.
In gardens grows in well-drained light soil in full sun, can self-seed and become naturalised in rough grassland.
Similar: Blue-eyed-grass, S. angustifolium