Mulch for Winter Protection
Perennials, strawberries, roses and tender or newly planted shrubs and trees will better survive winter if their roots are covered with a good layer of mulch. The primary reason for winter mulching is to protect the plant's roots from repeated freezing and thawing. It’s very important to wait until the ground is frozen before mulching - usually late December in our area. Evergreen boughs work well and there are usually lots of them available after the holidays.
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Mulching Eases Winter’s Harsh Effects
Gardeners with overwintering crops should be sure to mulch them to prevent repeated freezing and thawing or heaving in spring. Mulching garlic is particularly important if you planted late in the fall because it insulates the cloves allowing them to start rooting before they freeze. Strawberries also need winter protection in order to provide peak production. A good five to six inch layer of mulch should be used to cover plants. Straw or shredded leaves are both excellent winter covers because they don’t form a hard mat or produce lots of weed seeds. In addition, both can easily be pulled off the plants once spring arrives and used around the base of the plants to retain soil moisture, suppress weeds and eventually add valuable organic matter to the soil. Used around strawberry plants, the mulch also protects ripening fruit. As tempting as it may be, do not pull off the mulch on the first warm day of spring. Be sure to wait until temperatures are consistently above freezing to prevent frost damage.
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