Posted: 18/06/2014 at 12:58
I thought I'd replied to this one but I must have forgotten to press 'submit', sorry
Pand p suggests Geranium macrorrhizum, that is an excellent one, very willing in poor situations. Anamathele lessoniana a grass, that will be fine.
I'd try all sorts of things except the obvious non starters like alpines. Some snowdrops for early in the season, hellebores should be OK. Aquilegias.
Nothing to tall, they'll be forever leaning towards the light