https://extension.psu.edu/winterkill-in-ponds
Winterkill in Ponds
In the winter, the water gets much colder, and ice may cover the top of the pond for an extended period. This can lead to what is called "winterkill."
winterkillponds
https://cknxnewstoday.ca/chatham/agriculture/2014/11/14/winterkill-winter-injury-hampered-some-ontario-forages
Winterkill, Winter Injury Hampered Some Ontario Forages
OMAFRA's Joel Bagg is reporting forage inventories are generally more than adequate this fall with good spring carry-overs.
winter injurywinterkillontarioforages
https://gardenbetty.com/winterkill-temperatures/
Winterkill Temperatures for Vegetable Crops (My Evolving List) - Garden Betty
Jan 20, 2026 - So you know your crops are cold hardy. But just how much cold can they actually take? I spent years recording this exact data in my own garden to compile this...
vegetable cropswinterkilltemperaturesevolvinglist