This useful, evergreen, edging plant has aromatic spikes of small lavender coloured flower. The leaves are loved by cats. A hardy perennial groundcover that has a long flowering period over summer, extended by deadheading old flowers. It has cool grey-blue foliage and likes well-drained soil. Young leaves have a mint flavour and can be used in salads or for herbal tea. Divide in spring or autumn. 150 seeds.