I have some pulmonarias growing only a couple of feet from the base of a conifer hedge, and also some iris foetida. You might need to enrich the soil with some good compost in the planting area first. The only other thing I can think of is euphorbia robbiae. the flowers are only green, but it will grow almost anywhere and when established will spread rapidly and cover bare ground.

Hi
As Steragram says, you will need to enrich the soil around and under with good leaf mould, organic matter or even farmyard manure...The soil around conifers get very dry and acidic..Also you will need to water regularly through the first growing season, especially to establish the new plants...Others you could consider are Hardy Cyclamen, Galanthus (Snowdrop) Lamium, Dead Nettle.
Bluebell, and tiny Daffs etc...
Good luck...

Hi I had the same problem last year and I under planted mine with miniature daffs and mixed heather's. I enriched the soil first with a good all-round fertilizer and mixed in a little extra compost. I watered well until firmly established and continue to feed in the growing seasons with a liquid fertilizer. So far everything is doing great. Hope this helps.

Depends which way the bed faces though. Mine faces north so heathers would be no good. Cyclamen are a good idea - might try those.

Centranthus ruber - comes in white, pink and red varieties, though I find the red to be more of a deeper pink?! Classed as a hardy evergreen wild flower. Anyway, this self-seeds along what ever wall or bank you wish. I have come across it providing a 'frill' to a small conifer hedge. It is bomb-proof for drought or soil conditions, but does self-seed freely, so there will be some work in pulling up/hoeing off seedlings where you don't want them.

Also the common Campanula, grows in cracks in walls, and many places without soil even, pretty blue or white flowers, and spreads too...

Planting South or South West facing is a better option if you can, + you'll get that extra rain moisture too that gets blown in....

hi everyone thanks you for your replys i will try all you have said thanks again.

Centranthus wild only grow in sunny places though