In reply to Sean Kelly:
The little bright blue flowers are only about 1cm across, and the leaves quite big & pointed in comparison if that helps.
Yes thanks for all the advice. Green Alkane, related to Forget me not and part of the Borage family and a prolific weed. Fortunately not in my garden but the local lane. Still it's a pretty little plant and brightens up my day.
Post edited at 09:13