Ajuga reptans 'Burgundy Glow' (Bugle 'Burgundy Glow'): A variegated form of the superb ground cover plant with green and white leaves tinged with dark pinky red. Blue flower spikes in summer. Hardy.

Centaurea montana (Perennial cornflower): Large blue flowers in early summer, repeated later in year if cut back. Very attractive to bees. To 50cm. Hardy