Has anyone overwintered bees in an 8 frame medium nucleus?
Most every winter...
http://www.bushfarms.com/beesnucs.htm#overwinternucs (http://www.bushfarms.com/beesnucs.htm#overwinternucs)
I overwintered a very small swarm I caught on Sept. 6th in a two-story 5-frame medium nuc and they did great. I have split the hive several times since then and it has turned into one of my best hives.