The majority of the United States is bracing itself for a potentially historic polar vortex winter storm this weekend.

While many trees are dormant these months — and will remain so until their leaves and flowers burst through in the springtime — they sure can create a cacophony in the still of winter.

"During spells of extreme cold or when trees haven’t had time to acclimate, the life-sustaining sap inside a tree can begin to freeze," the foundation said on its website.