Cold frosty morning Updated by Tammy 21st May 2025 Frosts are among the greatest adversaries for gardeners throughout the colder months. Days with clear, sunny skies often lead to subzero temperatures overnight, causing frosts to occur. Without being pro-active and having measures in place, the results can be detrimental. So, what happens to our plants when they're exposed to frost? When our plants are exposed to frost, this is what happens: 1. Plant Tissues Freeze: The su