Also check to make sure there are no openings where heat can escape. * Be sure your plant covers are weighted to the ground with bricks or stones or they are anchored to the soil to protect them from blowing in the wind. Other options are plastic coverings or tarps. Frost blankets or cloth row covers work well. One example is the Reemay garden blanket. They can be used on nights where temperatures drop as low as 28 F. Covers vary in their insulation characteristics, but they can generally add 3 to 5 degrees to the ambient air temperature, helping to protect plants against freezing temperatures. However, warm-season vegetables such as peppers, tomatoes, cucumbers, melons and squash can be damaged if the temperature drops to 33 F.Ĭonsider these tips to help protect your plants as temperatures drop. According to research, approximately 10 percent of fruit will be killed at 28 F at this stage.Ĭool-season vegetable crops such as peas, lettuce, spinach, beets, carrots, onions, cauliflower, broccoli and cabbage are considered cold hardy and can withstand freezing temperatures with no notable damage. Buds of fruit trees vary in hardiness according to their developmental stages, but most fruit trees have flowered and set their fruit, and in general, should be safe from a light frost. With looming cold temperatures heading to Northern Utah this week, anxious gardeners are worried about their fruit trees and newly planted gardens.
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