Astilbe 'Montgomery': Large, upright panicles of cherry red flowers in summer over dark green ferny foliage. Prefers a moist soil. Hardy. Up to 60cm. [Collect Only]

Darmera peltata 'Nana' (Umbrella plant 'Nana'): A compact form with rounded glossy leaves and pale pink flowers which appear before the leaves in the spring. Hardy. Up to 50cm.

Hosta: Bright green leaves with wavy edge, purple flowers in summer. Best in a damp or shady spot. To 30cm. Hardy [Collect Only]

Hosta 'Carol': A lovely medium sized hosta with mid-green leaves edged in white. Lavender flowers in mid-summer. Hardy. Up to 50cm.

Hosta 'Devon Green': Elegant hosta with tapering, dark green, fine-veined leaves. Lilac flowers in summer [Collect Only]

Hosta 'Praying Hands': Very upright, rippled leaves. Leaves are green, narrowly edged in white and curl up. Lilac flowers in summer. Hardy. Up to 40cm. AGM.

Hosta 'Sum and Substance': Large, bright green leaves. lavender flowers, good in shade or sun. Hardy. To 60cm high and wide.

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 (Siberian Iris): Soft, purplish blue iris flowers over strappy green foliage. [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]

Iris sibirica 'Perry's Blue' (Siberian Iris 'Perry's Blue'): Lovely pale-blue flowers with white markings over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 85cm.

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

Lobelia cardinalis 'Queen Victoria' (Cardinal flower 'Queen Victoria'): Upright spikes of red leaves, topped with scarlet flowers. A perennial, but can be short lived. to 80cm. Hardy. [Collect Only]

Lobelia siphilitica (Blue cardinal flower): Tall spikes of clear blue flowers and bright green lance-shaped leaves. Needs a soil which doesn't dry out. Hardy. Up to 90cm.

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

Petasites japonicus var. giganteus (Giant butterbur): Huge round leaves, perfect for bold foliage statement by a large pond or in damp soil. Hardy. To 1.5m. [Collect Only]

Primula rosea 'Grandiflora': Bright pink flowers with a yellow centre on an erect stem, may flower before the leaves open. Prefers moist soil. Hardy. Up to 20cm. [Collect Only]

Trollius chinensis 'Golden Queen' (Globeflower 'Golden Queen'): Glowing gold cup-shaped flowers with a very prominent central boss of gold anthers. Really stunning.

Trollius x cultorum 'Lemon Queen' (Globeflower 'Lemon Queen'): A clump-forming perennial with glossy deeply divided leaves. Pale yellow flowers in late spring and early summer. Hardy. Up to 60cm.