Which perennial flower would go well planted along foxgloves which is narrow and taller and blooms after?

Question

have area of foxgloves which I am wishing to plant something between them to give colour to that area after they finish blooming.

also, how long and generally when do they bloom?

Thanks for your answers!

Answer 1

my foxgloves are dying off now and i have phlox, lobelia cardinalis, Lily's , Sweet Williams, Dahlias and Chrysanthemums creating a long flowering border (tallest in the back shortest in the front)

Answer 2

Campanulas, verbina and veronica.

Answer 3

verbena bonariensis sounds like just the thing - flowers from July 'till the frosts and self seeds readily, just like your foxgloves!

Answer 4

lobelia cardinalis, lupins and delphiniums, all in different colors if wished. Also there the excellent late flowering rudbeckias

Answer 5

Delphiniums or lupins.  The first are taller and the second have very poisonous seed pods so watch if you have children.

Answer 6

Monks-hood.  Don't know latin name though.

Or Lupins !