Centaurea atropurpurea: Attractive deep-red, almost black thistle like flowers above silvery foliage. Good for bees and butterflies. Hardy. Up to 1m. [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]

Miscanthus transmorissonensis: Tall elegant, evergreen grass with arching stems of silvery grey flower heads. Flowers held well above the foliage. Hardy. Up to 1.2m. [Collect Only]

Paeonia wittmanniana: A delightful herbaceous peony with pale pink almost white bowl-shaped flowers with a yellow centre and attractive foliage. Hardy. Up to 1m. [Collect Only]