This is a glorious photo of all the different colours of pollen coming into our hives at the moment.
I hunted around Google to find an identification chart, which allowed me to make the following guesses, given where we live and the time of year. (Note this is only a guess!)
Cream - Himalayan balsam
Blue Green - Rosebay Willow Herb
Pale Green - Meadowsweet
Orange - Buttercup
Yellow - Elder, dogwood, privet
Black - Poppy
