Last summer was a good season for my reds, in spite of the heat. Fred's Red and Seventh Inning Stretch were the most sunfast, but they also bloomed the latest, reaching their peak in mid August, when the garden was starting to cool off.
Scarlet Tanager
Double Redhead
Red Hill
Seventh Inning Stretch (my latest red, BB blooms through most of October)
Heavenly United We Stand (upper left) with Seventh Inning Stretch
Fred's Red
Venusion Heat