All you've actually told us, Tilly2 is that you've got an evergreen shrub, which is in flower. That's not a lot to go on!
Ideally take a picture and upload it to Tinypic.com, posting a link here for us to see. If that's impossible, tell us the size of the shrub, the size and shape of its leaves, the size, shape and colour of it flowers, etc. Then we might be able to make some suggestions.