Astilbe chinensis var. taquetii 'Purpurlanze': A very tall form with statuesque fluffy purple flowers above fresh green ferny foliage. Excellent for damp or shady spots. Hardy. Up to 1.2m.

Persicaria amplexicaulis 'Alba' (white flowered red bistort): Spikes of white flowers in late summer. Large oval pointed leaves. Hardy. Up to 1.2m.

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