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

Epimedium x rubrum (red barrenwort): Green heart shaped leaves tinged with red around the edges in spring. Small red flowers with yellow undersides. To 30cm. Hardy

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