name of flowering plant

identify blue flowering plant which came up with my sweet peas

uploaded photo but wheres has it gone ?????????????

Lots of people are having trouble posting photos at the moment.

got it at last well it was here then gone

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Hmm, feel that identification difficult from picture which appears to be all white! No idea what is going on with the site re pictures, but hope it will get sorted for you soon.

Meanwhile. maybe you could describe the plant - it may be possible to guess from that?  Yes, a picture is best, but as it is ....................

Try uploading from a photo sharing site like flicker or photo bucket-you can use the tree icon-click on external site and paste the link

It is still working for me-for example

Could it be Nicandra physalodes I wonder? Aka shoo-fly-plant.