Perovskia atriplicifolia 'Blue Spires' or Russian Sage, is a tough as old boots perennial which thrives in hot, dry and exposed positions. In early spring the new seasons foliage erupts into growth from its dormant winter twigs. Attractive bluish foliage smothers the plant and becomes topped in summer with masses of lavender-blue flowers for months on end, adding a real softness to the summer garden. Supplied in 10cm pots