Calamintha nepeta 'White Cloud':
Spikes of small white flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.
Maianthemum bifolium (False lily of the valley):
Shade-loving spreading perennial. Pairs of glossy oval leaves. Like a mini-hosta. Spikes of white star-shaped flowers. Hardy. Up to 10cm.
[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.
Podophyllum peltatum (May apple):
Large umbrella like leaves, with white waxy flowers beneath. A fine woodland plant. Height to 30cm. Hardy.
[Collect Only]
Sisyrinchium idahoense 'Album':
White star-like flowers with a yellow centre, grass-like strappy foliage. Prefers a sunny spot with good drainage. Hardy. Up to 15cm.