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.

Ligularia dentata 'Desdemona' (Leopard plant 'Desdemona'): Large orange daisy-like flowers over rounded greeny-bronze foliage with purple undersides. To 1m. Hardy. [Collect Only]

Lobelia x speciosa 'Vedrariensis': Dramatic spikes of royal purple flowers in late summer. Needs damp soil in summer so is ideal for bog gardens. Height to 1.2m. Hardy

Lythrum salicaria 'Blush' (Loosestrife 'Blush'): Tapering, sturdy spikes of soft pink flowers in mid to late summer. To 1.2m. Hardy [Collect Only]

Lythrum salicaria 'Swirl' (Loosestrife 'Swirl'): Slender upright spires of bright pink flowers from early to late summer. Does well in damp borders but generally unfussy. Hardy. Up to 1m. [Collect Only]

Lythrum virgatum 'Dropmore Purple' (Wand loosestrife 'Dropmore Purple'): Upright spikes of purple-pink flowers in the mid-summer with lance-like foliage. Prefers a moist soil. Hardy. Up to 1m.

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