Winter Care of Canna Bulbs

Written by jennifer loucks
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Winter Care of Canna Bulbs
Store canna rhizomes indoors in areas with cold winters. (Canna Leaves image by Jennifer Grush from

The canna lily is a tropical perennial plant native to areas of South America. The plant grows from a rhizome root structure similar to a bulb and produces tall shoots of foliage with large leaves and bright flower blossoms. Canna lily rhizomes are winter-hardy in USDA Plant Hardiness Zones 8 through 11, depending on the variety. Protect the rhizomes during the winter season by removing them from the ground and storing them inside until spring.

Skill level:

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Things you need

  • Pruning clippers
  • Shovel
  • Cardboard box
  • Peat moss

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  1. 1

    Remove the canna plant foliage in the fall after the first hard frost. Cut the stems and foliage to a height of 6 inches.

  2. 2

    Dig the canna rhizomes from the ground and brush off excess soil clumps. Place the cannas in a cool, shaded area such as a garage for 48 hours.

  3. 3

    Find cardboard box large enough to hold the canna rhizomes without touching each other. Fill the box with peat moss.

  4. 4

    Place the canna rhizomes in the peat moss so they are covered and not touching each other.

  5. 5

    Store the box in a dry location with a temperature of 7.22 to 12.8 degrees Celsius. Set the box on blocks so it is not directly on the floor where moisture can build up.

  6. 6

    Check the moisture levels of the rhizomes several times during the winter months. Spray the peat moss with water to add moisture if needed. Remove the canna rhizomes, inspect each rhizome and discard any that are rotted or mouldy. Refresh the peat moss if there is too much moisture.

  7. 7

    Replant the canna rhizomes in the spring once there is no longer a risk of frost and the soil has begun to warm.

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