What are these?

What are these?

Okay, we were in Anaheim, CA last week and I saw these flowers EVERYWHERE. They're so pretty - does anyone know what they are? And if they'd grow in MA? :) The pic doesn't do them justice - they were a very loveey purpley blue colour, and the heads were at least 5 inches across.
New Dining Area

New Dining Area

PLANT ID

PLANT ID

*new girl who used to be here and left and came back*

*new girl who used to be here and left and came back*

Proper paint?

Proper paint?

Containers without flowers

Containers without flowers

A while back I promised roses and peonies.

A while back I promised roses and peonies.