Thanks, Janice.
It is: 'Hakone Blue'.
Like the Hakone series for the reason you indicate.
Find balloon flowers hardy and long-lived.
Only problem (for me) is spent flowers that don't look attractive (especially on the dwarf ones).
I do, however, periodically deadhead the balloon flowers.
Below, one at Merlin's Hollow, the garden of David and Dierdre Tomlinson, here in Aurora, On.
It's 15 or more years old.
That's one balloon flower plant that I really wouldn't want to try to deadhead!
