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Removal of Winter Mulch on Strawberries
This article was published originally on 3/30/1994Gardeners anxious to get their yard and garden chores done in spring may be tempted to remove the mulch from their strawberry beds in March or early April. A portion of the strawberry crop may be lost, however, if the mulch is removed too early in the spring. Removal of the mulch plus several days of warm weather may encourage the plants to bloom before the danger of frost or freezing temperatures is past. Temperatures of 32 F or lower may severely damage or destroy open flowers. Since the first flowers produce the largest berries, a late spring frost can drastically reduce yields.
To reduce the chances of frost or freeze damage, gardeners should leave the mulch on until the plants show signs of growth. Periodically examine the plants under the mulch during periods of warm weather in the spring. Remove the mulch from the strawberry plants when about 25% of the plants are showing new growth. New growth will be white or yellow in color. (In central Iowa, the winter mulch on strawberries is normally removed around April 20.) Rake the mulch to the center aisles between rows. If there is a threat of a frost later in the season during bloom, the mulch can be lightly raked back over the plants.
Year of Publication:
IC-467(6) -- March 30, 1994