There are a couple of good ways to protect outdoor plants in the winter. Some people bring their outdoor plants into their garages when the temperature drops below freezing. This is a safer option than bringing your plants into your house as plants brought in from the outside may harbor destructive insects.
Plants that can’t feasibly be brought in from the outside can be covered to protect them from the cold. This method is not effective if you live in a climate that drops below freezing both day and night for several weeks or months at a time. Some of the best known ways to cover outside plants and flowers are with tarps, sheets, blankets and buckets.
This method will prevent your plants and flowers from being nipped by frost and cold but is not effective during extended periods of below freezing temperatures. Annuals need to be protected from freezing temperatures. Perennials will regrow on their own every year whether you protect them or not.
The leaves, stalks and/or flowers will die if not protected from the cold. The roots of perennials will survive the cold. From humeseeds.Com -quote COVERING: This is one of the most effective ways of protecting the foliage of broadleaf evergreen shrubs.
Rhododendrons, camellias, azaleas and early flowering plants will often benefit from being covered with some type of cloth material during extremely cold weather.. -endquote You can read the whole article here: humeseeds.com/wntrng2.htm.
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