Will Mums Survive Frost?

Most garden mums should be able to endure a light fall frost. Cover the plants at night when freeze warnings are in effect. ... However, if you are in a cold climate, leaving the dead foliage on the plants has been found to help the plant survive colder temperatures better than pruned plants.

How cold can potted mums tolerate?

Mums are cold hardy to about 20 degrees Fahrenheit. They can survive hot temperatures from 90 to 100 F, but they'll need plenty of water and a little shade.

Do I need to bring in my mums for frost?

Mums do not respond well to frosts and freezes, which may not occur until December or January in warmer areas. Garden or hardy perennial mums usually will weather the storm and leaf back out the following spring, but pot mums are generally finished. ... You should do this as long as the freeze lasts, both night and day.