Kalimeris Incisa Blue is a garden stalwart for me
This particular specimen has been in bloom for about a week and will continue to bloom through summer drought into September. With a "Chelsea Chop" the plant can be made a little more tame. But given that it is in an area of the garden which is very much wild I just let it go.
In this first picture it is to be seen on the left:
Here is a shot focused only on the plant itself:
And now a close-up of the flowers themselves: