Armeria maritima 'Alba' (White flowered Thrift): A white form of this old fashioned cottage garden favourite. Makes a neat clump of evergreen foliage with white pom-pom flowers.

Brunnera macrophylla 'Betty Bowring' (Siberian bugloss 'Betty Bowring'): Pure white forget-me-not flowers over heat-shaped green leaves. Hardy. To 30cm

Brunnera macrophylla 'Mister Morse' (PBR) (Siberian bugloss 'Mister Morse'): Heart shaped leaves with silver veins and a froth of tiny white flowers in spring. [Collect Only]

Centaurea montana 'Alba' (Perennial cornflower - white): Large white cornflower-like flowers over grey-green foliage. To 30cm. Hardy. [Collect Only]

Convallaria majalis 'Flore Pleno' (Lily of the Valley - double flowered): Scented double white bells in spring, Great for spreading around in shade. To 20cm.

Convallaria majalis 'Hardwick Hall' (Lily of the Valley 'Hardwick Hall'): A form of lily of the valley with green leaves edged in yellow. Deliciously scented white flowers in spring. Hardy. Up to 25cm

Epimedium grandiflorum 'White Queen' (Barrenwort 'White Queen'): Among the largest and showiest of white flowered Epimediums. To 30cm. Hardy.

Geranium macrorrhizum 'Album' (Rock cranesbill 'Album'): Superb ground cover Geranium especially for dry shade. White flowers with definite hint of pink. Aromatic foliage. Hardy. To 30cm.

Geranium nodosum 'Silverwood' (Knotted cranesbill 'Silverwood'): Pure white form of the more common pink species. Soft, shiny green leaves. Ideal for dappled shade. Hardy. To 30cm. [Collect Only]

Geranium sanguineum 'Album' (Bloody cranesbill 'Album'): Pure white flowers over a mat of dark green leaves. Height to 20cm. Fully hardy.

Helleborus niger (Christmas Rose): Pure white flowers in midwinter, evergreen foliage.

Heuchera 'Silver Scrolls': Maroon leaves heavily overlaid with silver.

Lamium maculatum 'White Nancy' (Spotted dead nettle 'White Nancy'): A low ground cover plant with silvery heart-shaped leaves and short stems of white flowers. Brightens up a shady area. Hardy. Up to 20cm. [Collect Only]

Liriope muscari 'Monroe White' (Blue turf lily 'Monroe White'): Spikes of pure white flowers in autumn, evergreen strappy grass-like foliage. Prefers a shady spot. Hardy. Up to 30cm. [Collect Only]

Mukdenia rossii: Short plump spikes of white flowers in spring, but mainly grown for its foliage which turns brilliant red in autumn. Up to 30cm.

Petasites paradoxus (Alpine butterburr): Silvery, wide but pointed leaves in summer. Flowers resembling white studded tennis balls in February. Excellent foliage plant.To 30cm. Hardy

Podophyllum peltatum (May apple): Large umbrella like leaves, with white waxy flowers beneath. A fine woodland plant. Height to 30cm. Hardy. [Collect Only]

Primula denticulata var. alba (Drumstick primula - white): Pure white balls of flowers on sturdy stems. To 25cm. Hardy

Pulmonaria 'Mrs Kittle' (Lungwort 'Mrs Kittle'): Flushed pink buds opening to clear white flowers above a silvery spotted foliage. Brightens up shady areas. Hardy. Up to 30cm. [Collect Only]

Pulmonaria 'Sissinghurst White' (Lungwort 'Sissinghurst White'): Clusters of pure white flowers in spring over white spotted green leaves. To 20cm. Hardy. [Collect Only]

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

Tiarella 'Oregon Trail' (Foam flower 'Oregon Trail'): Deeply cut leaves with attractive central dark marking. White frothy flower spikes in summer. To 20cm. Hardy. [Collect Only]

Tiarella 'Spring Symphony' (PBR) (Foam flower 'Spring Symphony'): Perennial with deeply divided foliage with dark blotch in centre. Long flowering with spikes of white star-shaped flowers. Hardy. To 30cm [Collect Only]