ood to harvest ? Can you eat them or trash them?
They are probably tough and overly astringent by this point. I wouldn't trash them, since they will flower this year. You could harvest the seeds after flowering, however. It will look much like its wild counterpart, Queen Anne's Lace.
https://www.gardeningknowhow.com/edible/vegetables/carrot/saving-carrot-seeds.htm