The Five Strangest Christmas Traditions (page 3)
#3.) Putting Spider Webs on Your Christmas Tree. There’s an old folk tale in the Ukraine about a poor family that didn’t have enough money to decorate their Christmas tree.
Then they woke up on Christmas morning and found it covered with silver and gold spider webs.
So in the Ukraine during the holidays, it’s not unusual to see Christmas trees with fake spider webs on them. Or even REAL spider webs if the person’s hardcore. Apparently it’s supposed to be good luck.