Canna Flower Winter Care. Most canna lilies are winter hardy in zones 8-11 so in these warm climates the rhizomes can be left right in the ground. If you prefer to grow cannas for their foliage alone you can cut back the flower stalks before they even have a chance to bloom.
Most canna lilies are winter hardy in zones 8-11 so in these warm climates the rhizomes can be left right in the ground. These pests chew on the leaves as well as the flowers. Canna Lilies are tropical plants and dont like freezing weather.
21062020 Leave a flower or two and watch it if you dont see seed pods develop you dont need to deadhead except for aesthetics.
Photo by Fpalli CC BY-SA 30 Due to Canna erebus being more of a tropical plant it will not survive in locations that experience frost and winter. The stems of the Canna Lily come out of large rhizomes. How much winter care your canna lilies Canna spp need depends on your hardiness zone. 10122018 Late winter in frost-free areas or early spring after the last frost date is the best time to plant new canna plants.