Environment Canada has issued a frost advisory for tonight in Newmarket, East Gwillimbury and Georgina.
Temperatures are expected to fall near the freezing mark tonight.
Frost may damage frost-sensitive fruit trees and vegetable plants, the agency advises. Cover up plants, especially those in frost-prone areas.
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.
