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How to Protect Outdoor Plants From Freezing

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How to Protect Outdoor Plants From Freezing

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Protect outdoor plants from freezing in either the spring or the autumn image by rosevita: morguefile.com

Overview

Whether a gardener needs to protect sensitive plants from a spring freeze or is seeking to extend the growing season by keeping summer plants alive for a little longer, all gardeners should know how to protect outdoor plants from freezing temperatures. There are several methods available for protecting plants that are sensitive to freezing temperatures, each with special considerations a gardener must understand.

Step 1

Saturate the soil around plants in the evening before an overnight freeze is expected. Moist soils will stay warmer overnight than dry soils. Moist soil also may help raise the air temperature around the plants slightly.

Step 2

Cover plants with cotton sheets or plastic tarps carefully. Place the covers over the plants so that the edges of the covers touch the soil around the plants. Make sure that the plants under the covers do not touch the covers, however, because this can damage the plants. The cold cover will make the plant foliage cold wherever the two are touching. Remove the covers the next day, especially if the sun is shining. This will help warm up the plants.

Step 3

Mulch with wheat or straw over the plants. Sprinkle the mulch lightly over the plants the night before an expected freeze. Remove the mulch the next day if the temperature rises significantly. If the next day stays cloudy and cool, leave the mulch in place.

Step 4

Cover seedlings with sawdust to insulate them from the cold. Remove the sawdust the next day by blowing it off with a leaf blower.

Step 5

Water the soil around the plants the next day to thaw the soil. This will also provide important moisture for the plants.

Tips and Warnings

  • Do not prune plants after a freeze until you have waited for new growth to appear. This will help you avoid pruning back any live wood. If foliage turns brown after a freeze, remove the leaves to keep the plants looking attractive, if desired. If you find stems or branches that are damaged, trim the discolored portions of the stems off.

Things You'll Need

  • Water
  • Cotton sheets or plastic tarps
  • Wheat or straw
  • Sawdust
  • Leaf blower

References

  • Protect Plants from Freezing
Keywords: spring freeze, protect outdoor plants, cover plants

About this Author

Kathryn Hatter is a veteran home-school educator and regular contributor to "Natural News." She is an accomplished gardener, seamstress, quilter, crocheter, painter, cook, decorator and digital graphics creator and she enjoys technical and computer gadgets. Hatter's Internet publications specialize in natural health and she plans to continue her formal education in the health field, focusing on nursing.

Photo by: rosevita: morguefile.com