Make the display last...
MISCANTHUS SINENSIS ‘KLEINE SILBERSPINNE’ Upright clump-forming grass with silvery-red flowers from late summer. H1.2m (4ft) S60cm (2ft)
PEROVSKIA ‘BLUE SPIRE’ Masses of violet-blue flowers with aromatic ferny foliage and narrow silvery stems that glow in winter borders. H90cm (3ft) S60cm (2ft)
HEUCHERA ‘PURPLE PETTICOATS’ Frilly greenish-purple-leaved heuchera with deep purple undersides and small cream flowers. H and S40cm (16in)
ACTAEA SIMPLEX ‘BRUNETTE’ Almost-black foliage and stems with slender spikes of white bottle-brush flowers. H1.8m (6ft) S75cm (30in)