Plant doctor: Cloth coverings shouldn't damage plants after freeze
Tom MacCubbin | IN THE GARDEN
February 21, 2009
Question: After a night with freezing temperatures is it all right to leave cloth coverings over the plants during the day if a freeze is expected the second or third nights?
Answer: Leaving cloth coverings over plants for several days during a period of cold weather should not affect the plants if the temperatures do not go above the 60- or 70-degree range. Still, removing them would be best when the temperatures rise into the 40s as it allows the ground and surroundings to become warm again. Cold protection usually involves trapping this heat for the night when the covers are reapplied. Plastic covers should always be removed or vented when the sun is shining as plants can be heated to damaging levels if the plastic is left in place even on cool days.
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