Well I thought its early as well......It is possible the tree farmer is looking for an excuse to thin out the herd and the info is wrong.......I myself have never seen them hard at this time........
Maybe I am just wishing
The photoperiodism responsible for the hardening of antlers, shedding of velvet, etc. is the same this year as it's always been
Though I do agree with this - I also believe it triggers deer to drop there antlers and as we know this can happen from Dec till April or more.....So I would not be shocked if one or two shed their velvet a month before others.....................nature is a funny thing