Low growing evergreen perennial which forms a carpeting mat and giving a colourful display on dry walls, rock banks and rock gardens in a sunny position. Purple-blue flowers between March and June cover the whole plant, making it a gardenworthy item. Cut back to ground after flowering to encourage fresh foliage to develop which lasts through the autumn and winter and until flowering starts all over again. Ht 10-15cms.(4-6") Planting distance 30-45cms (12-18")