catmint 'Walker's Low'

Has attractive colouring, the flowers being quite a deep blue-mauve, the leaves silvery and aromatic, and the stems dark. Comes into flower in early summer, and will continue into autumn if flushes are deadheaded. It is variable in habit according to growing conditions, and can make a tight mound to 60cm in height in poor soils, or in richer ground grow to 90cm and be more sprawling