Description Verbena hastata ‘Blue Spires’ A stiff, upright, open, clump-forming perennial which has rough branching stems which bear lance-shaped, wrinkled, mid-green leaves which have toothed margins. From early summer to autumn, small panicles of violet-blue flowers are borne. Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of 1.2m and a spread of 40cm. Supplied size 1 x Plant in 9cm Container
