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what about these
Something I heard recently is that the reds and yellows are for attracting birds and mammals, who have good vision in that area, but generally poor vision in the blue spectrum (humans are one of the exception is being able to cover greens and blues relatively well).The blue and white flowers are generally to attract insects who generally have better vision in the blue, and even into the ultra violet (many of the white blossoms generally are strongly visible in the ultra violet).So the colour depends on what animal the plant wants to attract as a pollinator.
Hang on !!...what about a tree filled with blue blossom like the ones in my piccys ?...rather than a bush type thing ?
And one more. This one is a Crape Myrtle.Ok - its more purple than blue but it's close.
Lol, as Neil has a mental age of 8.5 (according to him..), I'm sure he gets his purples and blues mixed up! 
Lol. Neil, have you seen my signature? 
Quote from: Seany on 13/04/2007 00:13:23Lol. Neil, have you seen my signature? LOL..yes I have !!!...norty norty...smak smak your bot bot !!..LOL*sheepy bunts seanys head and licks his nose too*....oy !!..you could have todl me ewe had a runny nose !!  
The National Flower of Texas !A member of species of Lupinus
Here's another! (hydrangea nikko blue)
Hydrangeas are dead common in the UK too! I'm sure any garden centre will have a few.You're welcome MR NeilEp