After the winter we had last year I had to buckle down and really get to the poop in their stalls every day, twice a day if I'm able.
I also now shovel a wide path in front of their stall doors so the snow doesn't pile, and the poop doesn't take over there as well.
The poop freezes fairly quickly and if it goes a few days, it's just too frozen to be able to be picked up. I used to think I could do it every 3-4 days. Hmm, nope!
Other than that, they have 24/7 turnout, heated automatic waterer and they don't have a need for blanketing thank goodness.
Oh, I do have one gelding that can tend to pick on the other older gelding so I did buy a seperate heated bucket for one of them if I need to section off the other horse because of the excessive "running" him around syndrome!