Preparing Your Canna lily for Winter
Begin by cutting back the foliage to about 15 cm (6 inches) from the ground. This helps reduce the plant's energy consumption and makes it easier to handle. Next, stop watering your Canna lily a week before you plan to dig up the rhizomes. Dry soil is easier to work with and helps prevent accidental damage to the rhizomes.
Digging Up the Rhizomes
Using a garden fork or spade, gently dig around the Canna lily clump, being careful not to damage the rhizomes. Lift the clump from the ground and shake off any excess soil. If the soil is heavily compacted, you can carefully rinse the rhizomes with water to clean them.
Cleaning and Drying the Rhizomes
Once the rhizomes are free of soil, inspect them for any signs of damage or disease. Remove any damaged or rotting parts with a clean knife. Allow the rhizomes to dry in a warm, airy place for several days. Proper drying reduces the risk of mold and rot during storage.
Storing the Rhizomes
Place the dried rhizomes in a container filled with peat moss, vermiculite, or sand. Ensure they are well-spaced to avoid moisture buildup. Store the container in a cool, dark place where temperatures remain between 5-10°C (41-50°F). A basement or garage is often ideal for this purpose. Check periodically for signs of mold or rot and remove any affected rhizomes immediately.
