Flower ID please.? I took this pic in Chanticleer Garden ovre the weekend. ...

I took this pic in Chanticleer Garden ovre the weekend. There be no ID tag on the plant. So, please give support to. Thanks a lot.
http://farm3.static.flickr.com/2264/2529...
Answers:    Centaurea montana
yeksniv is correct this is a centaurea montana within are a few different varieties near different blues self seed deeply easy like sun but can tolerate a little shade great perennial for any flower bed.