Iris ensata 'Light at Dawn' (Japanese iris): Large, white, very open, almost flat flowers with purple picotee edging. Height to 90cm. Hardy. [Collect Only]

Iris sibirica 'Gull's Wing' (Siberian Iris 'Gull's Wing'): Pure white flowers with a greeny yellow throat, over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 1m. [Collect Only]

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

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