Perfect for a shady spot: Erythronium 'White Beauty'. Discover how to grow it at http://www.gardenersworld.com/plants/search/name/Erythronium/
Alchemilla - tough as old boots, shade loving and able to withstand footballs apparently!
Climbing plants that love the shade | The Times Rosa Alberic Barbier
Another shade lover and so pretty!
Astrantia major. shade-tolerant, long-flowering and very long-lived perennials in the garden and cut for a vase - cottage garden favourites.
Hellebores mixed with snowdrops and cyclamen. Use in your shade garden. Jan/March.
Fountain in a shady border - not necessarily this style or even a fountain. Another focal point would also work amongst the shade loving plants
A brilliant ostrich fern which grows in shady, damp areas, and looks especially good planted with alliums.
One of my favorite plants ... Oxalis Triangularis "Sunny"
PETTIFERS, OXFORDSHIRE: DAWN LIGHT ON BORDER PLANTED WITH ALLIUM CHRISTOPHII AND PERSICARIA AFFINIS SUPERBUM