One of my clients has a fairly large Hydrangea arborescens 'Annabelle', and a week or two ago, she asked me to cut her 20 or so of the blossoms, with the longest stalks I could find.
Her intention was to dry them for use indoors over the winter - and what a good idea! As you can see, each flower head is larger than my secateurs, and they make an impressive display.
The flowers go brown once they dry, but like many Hydrangea blooms, once they are dry they stay intact for many months, and can add height and bulk to dried flower displays.
It's not too late to do this yourself: nip out now, before the winds of autumn batter the plants too much, and cut the longest stems you can find, trimming off any side stalks or forks to get the single longest stem. Then leave them somewhere warm and dry, and for the best results, hang them upside down, spaced out: this keeps each flower head separate and rounded.
I am confidently expecting to be told to do the same to the Physalis - Chinese Lanterns - next week, and of course there is always our dear friend, Lunaria or Honesty, with those silvery silky pennies.
If anyone has any suggestions for other large-scale flowers which dry well, I'd be interested to add them to the list!