This bush is a Bluebeard Longwood Blue, there are at least five of these in my neighborhood. On sunny days this summer, I have seen numerous Painted Lady Butterflies and Honeybees on them. Here are a few photos from one morning.
PAINTED LADY
PAINTED LADY
HONEYBEE
HONEYBEE
NOTES-IN-NATURE.ORG 
Oh such a stunning blue flower I have never seen – thank you…. we too have painted ladies and I see them during the summer but sadly, no honeybees…. The buzz I once took for granted is no more. The honeybee collapse in Maine is extreme. In New Mexico we have hoards of honey bees.
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It is so sad about the honeybees. I feel fortunate will still have them around.
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