By Inverglen
Middlesex,
United Kingdom 
ID please on this plant
Not aware of having had it before so any identification help appreciated.
26 Jun, 2014
Answers
Thank you
26 Jun, 2014
I agree I find it a good doer and will seed too but not as prolific as its all blue flowered counterpart.
26 Jun, 2014
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Best guess, Centaurea dealbata.
Pretty!
26 Jun, 2014