Canna lilies can be replanted in the spring after the last frost date. In zones 8 to 10, replant as early as March 15. In colder climates, start canna lilies indoors 6 to 8 weeks early in pots, then transplant outside after the last frost.
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Diane Watkins has been writing since 1984, with experience in newspaper, newsletter and web content. She writes two electronic newsletters and content around the web. Watkins has a Bachelor of Science degree in chemistry from Clemson University. She has taken graduate courses in biochemistry and education.