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Readers share photos, comments about “exploding” trees

Following a recent cold snap, foresters say the trunk splits called frost cracks do not mean trees literally explode, while readers sent photos that fueled social media talk of `exploding trees`.
A freeze that reached 20 degrees below zero caused frost cracks, with some linden trees splitting each winter then healing in the winter seasonal cycle.
Arborists can assess splits and stabilize trunks using threaded metal rods with nuts and washers, while loosening outer perimeter reinforcements periodically to prevent choking the tree.
Structural integrity can be affected by frost cracks, so readers seeking advice should consult professionals or email Don Kinzler, NDSU Extension-Cass County.
The phrase `the moon of the popping trees` appears in historical references where some Native American tribes named the deepest winter month for the splitting sounds, and the 1994 film Legends of the Fall also features this phrase in popular culture and lore.

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