I have hanging Boston ferns outside and think I can place a plastic bag over them for the winter to protect them. How can I take care of them outside in the winter? Thanx.
Anne's response:
Boston Ferns in pots cannot survive temperatures below freezing. They are classified as a tropical plant. It is difficult to leave anything outdoors under a plastic bag. When the sun is out the temperatures inside the bag can get quite hot and the plants can be scalded. Boston ferns should be over-wintered in a location where temperatures do not get below 40F.
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