One of the tallest of all catmints making a strong upright plant some 120cm tall by 100cm wide. It produces spikes of ethereal mauve blue flowers from spring until the autumn. A drought tolerant sun loving perennial.
Walkers Low catmint has been growing in our double borders for a dozen years or so. Stiff upright stems, clothed in greyish leaves, carry spikes of lavender-blue flowers of a similar colour to N.
