They will grow back and your plant won't look dead in the middle." Many people buy mums in the fall thinking the plants are annuals. ... But if you buy hardy mums, you can get them to bloom year after year.
How do I get my mums to come back?
Newly purchased potted mums need to be kept consistently moist but not wet and in bright, indirect light indoors. They need at least five hours of full sun outdoors to stay healthy enough to successfully come back the next season.
Can mums survive the winter in pots?
With potted mums, the first key is to never let them endure a freeze in their pot or container. Mums can survive light frosts and cold fairly easy, but a hard freeze can kill roots in pots permanently. Once potted mums have endured a hard freeze, their chances for surviving winter are slim.