Anemone sylvestris (Snowdrop anemone): Large pure white flowers over a mound of green ferny foliage. Hardy. Up to 30cm.

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

Lamium maculatum 'Beacon Silver' (Spotted deadnettle 'Beacon Silver'): A low ground cover plant with silvery heart-shaped leaves and short stems of purple-pink flowers. Brightens up a shady area. Hardy. Up to 20cm.