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How to Keep Plants From Frosting

When temperatures go below 32 degrees Fahrenheit, moisture that has collected on your plants can freeze. This problem is known as frosting. Don’t let frost kill the plants you’ve worked so hard to plant, grow and maintain. When frost is expected, it is important to take precautions to protect your plants. Keeping plants from frosting prevents them from being damaged or killed.

Things You'll Need

  • Tarp
  • Blanket
  • Newspaper
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Instructions

    • 1

      Water your plants when frost is expected. This adds moisture to the soil. Moist soil can hold more heat. If the moisture freezes, it releases heat and helps protect the plants from frost.

    • 2

      Cover your plants by draping a tarp or blanket over them. Unfold a newspaper and use it to cover your plants as an alternative method of protection. Covering the plants protects them from wind, which can cause the plants to cool and frost more easily. It also helps hold heat and moisture found in the plants and the soil, preventing frost from building up.

    • 3

      Cover the plants before the sunset in order to trap and retain as much heat as possible. Covering the plants after sunset is less effective at keeping the plants from frosting.

    • 4

      Weigh down the items covering your plants with rocks and stones to keep wind from blowing them off of your plants.

    • 5

      Move potted plants inside your home to protect them from frosting.