I understand that you’re feeling confused. Disturbed, and perhaps a little excited. Here is a place and a way of life you never knew existed.
The World Carrot Museum may be mainly virtual, but as this image shows, curator John Stolarczyk has taken at least part of his passion into the physical world. This Christmas tree is in Skipton, UK. We too will thither bend our joyful footsteps, or at least follow the link and (as Mr. Stolarczyk suggests), discover the power of carrots. After all, the carrot has long been associated with the Christmas festivities.
I am 99% certain this is neither a big sectarian NOR a phallic cult. Happy Christmas, Rudolph.