Does campanula persicifolia fit the bill?
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Probably a campanula of some sort. Google Campanula persicifolia and see if it looks familiar.
Yippee, I guessed the same as Nut
all we need is a pic now to know if we're right VS
Connie, is it this? It comes in blue or white.
Mike, I like to think I'm more of a Nancy Drew
This one then Conie
I think its what's called the cup and saucer plant or canterbury bells.