Silky blue flowers, lightly scalloped and a pure white centre are produced over a long period. From red stems, her lanceolate foliage is light green tipped in maroon.

Sow outdoors in the spring where they are to flower, when the ground becomes workable, covering the seed to a depth of 3mm (1/8in).

Can also be sown out of doors in the autumn for over-wintering, when they will flower in late spring/early summer.

Thin out the young plants gradually so that they are finally 30cm (12in) apart. Prefers a well-drained soil and full sun.