Persicaria amplexicaulis 'Amethyst Summer' (Red Bistort 'Amethyst Summer'): New colour form with dark pink flowers with hint of purple. Large oval pointed leaves. A robust plant that can grow almost anywhere. Hardy. To 1m

Persicaria amplexicaulis 'Blackfield' (PBR) (Red bistort 'Blackfield'): New variety with fine spikes of burgundy flowers in late summer. Easy and reliable. To 60cm. Hardy

Physostegia virginiana (Obedient plant): Spires of light pinkish purple flowers on slowly spiralling stems.