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]

Corydalis elata: Summer flowering Corydalis with bright blue flowers above soft green foliage. Excellent in some shade in moist soil. Hardy. Up to 30cm.

Digitalis grandiflora (Yellow foxglove): Perennial foxglove with yellow bell-shaped flowers above clumps of evergreen lance-shaped leaves. Bee-friendly. Hardy. Up to 1m. AGM

Digitalis x mertonensis (Strawberry foxglove): Large, dusky pink flowers on sturdy spikes in mid-summer. Hardy. To 90cm.

Epilobium angustifolium 'Album' (White Rosebay Willowherb. Syn. Chamaerion angustifolium 'Album'): Slender spires of white flowers in late summer. To 1.8m. Hardy. [Collect Only]

Geranium maculatum 'Album' (white spotted cranesbill): Clean white flowers over neat foliage. Great for establishing under trees and in shady areas.

Geranium phaeum 'Album' (Dusky cranesbill 'Album'): Clean white flowers held above bright green foliage. Excellent in shade. Spreading habit. Hardy. Height to 60cm.

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

Hosta 'Big Daddy': Lovely large blue-green leaved Hosta, with some puckering to the leaves. Large clump-forming. Lilac flowers in summer. Hardy. Up to 60cm.

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

Hosta 'Empress Wu' (PBR): One of the largest leaved Hostas in cultivation - possibly the largest. Leaves up to 18" across when established.

Hosta 'Francee': Attractive variety with large heart-shaped leaves with a prominent white margin to the leaves. Lavender purple flowers. Hardy. Up to 60cm.

Hosta 'Frances Williams': Large heart-shaped crinkled leaves with a prominent green-yellow margin. Lavender purple flowers in mid summer. Hardy. Up to 75cm.

Hosta 'Halcyon': Medium sized Hosta with attractive blue-grey heart-shaped leaves and pale lavender purple flowers. Hardy. Up to 40cm.

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 'Snake Eyes': Large hosta variety with dark green leaves with gold centre and white streaking. Tall spikes of lilac flowers. Hardy. Up to 60cm. [Collect Only]

Rheum palmatum 'Atrosanguineum' (Ornamental rhubarb 'Atrosanguineum'): Very large, deeply dissected green leaves with plum-coloured undersides. Sprays of rich pink flowers in summer. [Collect Only]

Rodgersia 'Irish Bronze': Bronze tinted leaves, shaped much like a horse-chestnut's. Sprays of fluffy white flowers in mid-summer. To 70cm. Hardy. [Collect Only]

Rodgersia pinnata 'Superba': Large palmate leaves which are tinged bronze when young, with panicles of pink flowers in midsummer. Hardy. Up to 1m.

Thalictrum 'Elin' (Rue 'Elin'): Tallest of the Thalictrums we grow with huge heads of lavender and yellow flowers in mid-late summer. To 2m. Hardy. [Collect Only]

Thalictrum delavayi (Chinese meadow rue): Dainty lilac-mauve flowers 2cm in width, with prominent creamy yellow stamens above fern-like bright green leaves. Hardy. Up to 1.5m.

Thalictrum delavayi 'Album' (Chinese meadow rue 'Album'): Dainty cup-shaped white flowers held high above fern-like greyish green leaves. To 1.2m. Hardy

Thalictrum delavayi 'Hewitt's Double' (Chinese meadow rue 'Hewitt's Double'): Tiny purple pom-pom flowers dance airily above ferny grey-green foliage. Height to 1.2m. Hardy

Thalictrum delavayi 'Hinkley' (Chinese meadow rue 'Hinkley'): Dainty lilac-mauve flowers, with prominent long yellow stamens above fern-like bright green leaves. Hardy. Up to 1.5m.

Thalictrum delavayi var. acuminatum (Chinese meadow rue): Sprays of lilac flowers, soft ferny foliage. May need a little support. Lovely in dappled shade. To 1.5m.

Thalictrum ichangense: Rounded purplish green leaves with silvery veins, dainty sprays of tiny pink flowers in summer.

Thalictrum punctatum: Small fluffy pink flowers over a mound of rounded, very thin leaves. Very good in shade, not too dry. To 50cm. Hardy

Tradescantia (Andersoniana Group) 'Innocence' (Spider lily 'Innocence'): Three-petalled pure white flowers with purple tinged anthers. Strappy bright green foliage. [Collect Only]

Tradescantia (Andersoniana Group) 'Leonora' (Spider lily 'Leonora'): Three-petalled vibrant violet-blue flowers above strappy foliage. Great as a ground clump former in sun or part shade

Trautvetteria caroliniensis (False bugbane): Fluffy white, lightly fragrant flowers, similar to the Thalictrum flowers. Prefers partial shade with a moist soil. Hardy. Up to 90cm. [Collect Only]

Vinca minor 'Atropurpurea' (Small periwinkle 'Atropurpurea'): A compact mat-forming evergreen perennial with trailing stems of dark green leaves and dark purple flowers. Good in shade. Hardy ground cover.

Vinca minor f. alba 'Gertrude Jekyll' (Small white periwinkle 'Gertrude Jekyll'): A compact mat-forming evergreen perennial with trailing stems of dark green leaves. White flowers from mid spring to autumn.