Social media posts warning of "exploding trees" in subzero temperatures are mischaracterizing a phenomenon known as frost cracks. Frost cracks form when water inside trees freezes and expands. As a ...

DETROIT (WWJ) – A rumor regarding “exploding trees” has been circulating online, but experts said that is not exactly what happens to trees in cold weather. Bert Cregg is a professor of horticulture ...

Tree sap is mostly water with sugars and minerals, and like many liquids, it expands when it freezes. Gradual freezes usually don’t harm trees — even if it gradually cools to subzero — but plunging ...