© 2026 WSIU Public Broadcasting
WSIU Public Broadcasting
Member-Supported Public Media from Southern Illinois University
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

What is 'frost crack' and how does it affects trees?

Sudden or severe cold temperature can cause trees to experience "frost crack." NPR's Scott Simon talks with Bill McNee of the Wisconsin Department of Natural Resources about what happens and why.

Copyright 2026 NPR

Scott Simon is one of America's most admired writers and broadcasters. He is the host of Weekend Edition Saturday and is one of the hosts of NPR's morning news podcast Up First. He has reported from all fifty states, five continents, and ten wars, from El Salvador to Sarajevo to Afghanistan and Iraq. His books have chronicled character and characters, in war and peace, sports and art, tragedy and comedy.
As a WSIU donor, you don’t simply watch or listen to public media programs, you are a partner. By making a gift, you help WSIU produce, purchase, and broadcast programs you care about and enjoy – every day of the year.