Goldenrod, JoePye Weed and coneflowers are now getting past their prime. In addition there are few agricultural flowers available other than occasional alfalfa fields. Now until the first frost the main flowers available for the bees are from the aster family. Here are a few photos from beekeepers Gerard and Fred.
With the decline is available forage robbing will begin in apairies with closely spaced hives. Make sure to reduce the entrance to 3" on strong hives and even down to 1 inch on weak hives.