Environment Canada has issued a frost advisory for Windsor and Chatham-Kent.
The national weather agency expects widespread frost as temperatures drop below the freezing mark Wednesday night into Thursday morning.
The frost could cause damage or even destroy some plants. It's recommended to cover frost-sensitive plants.
Frost advisories are issued when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops.
Frost may return Thursday night.