Product Description
'Picos Amethyst' is a thistle-like perennial with deeply cut, grey green leaves and lilac blue flowers on branching wiry stems. Hardy to -5deg. Foliage is silvery grey in autumn, blue-green in spring and dark green in summer. Upright growth to 18" with a 12" spread. Prefers a sunny dry spot with well-drained soil. Protect from winter wet.
