Alchemilla mollis (Lady's mantle): Bright green soft leaves and a froth of acid yellow/green flowers in summer. Very easy for ground cover

Anthyllis vulneraria var. coccinea: Forms low mounds of frondy foliage with masses of scarlet, pea-like flowers.

Centaurea montana 'Alba' (Perennial cornflower - white): Large white cornflower-like flowers over grey-green foliage. To 30cm. Hardy.

Centaurea montana 'Purple Heart' (Perennial cornflower 'Purple Heart'): Large white cornflower-like flowers with violet central markings. To 30cm. Hardy

Erigeron glaucus 'Sea Breeze' (Fleabane 'Sea Breeze'): Sun loving, pink daisy with fleshy evergreen leaves. Great for naturalising in rock walls, and dry border edges. To 20cm. Hardy.

Eryngium planum 'Blue Hobbit' (Sea Holly 'Blue Hobbit'): A more compact form with steely blue flowers on dark stems. Spiny glaucous foliage. Loves sunshine and very well-drained gritty soil. Hardy. Up to 30cm.

Potentilla atrosanguinea (Cinquefoil): Bright scarlet flowers over silvery foliage. Great for stony or poor soils in full sun.To 20cm. Hardy.